BATON ROUGE, La. (AP) - A former Marine dressed in black and carrying extra ammunition set out to ambush police in Baton Rouge, authorities said Monday, a day after three law enforcement officers were killed in the attack.
The gunman's "movements, his direction, his attention was on police officers," state police Col. Mike Edmonson said. He would not elaborate but said the shooter was definitely "seeking out" police.
Three other officers were wounded Sunday, one critically. The gunman was identified as Gavin Long of Kansas City, Missouri, who was black. He turned 29 on the day of the ambush and was killed in a gunbattle with police.
In online posts, a man using an alias of Long's said protests alone do not work, and that people must fight back after the deaths of black men at the hands of police.
Documents show that Long sought to change his name last year to Cosmo Setepenra. A website using that name links to online books about nutrition, self-awareness and empowerment. The man describes himself as a "freedom strategist, mental game coach, nutritionist, author and spiritual advisor."
In a video posted July 10, the person making the post says he's speaking from Dallas after five police officers were fatally shot there during a protest of the deaths of black men in encounters with law enforcement. The man also discusses protests in Baton Rouge and what he perceived as oppression.
He says: "You've got to fight back. That's the only way a bully knows to quit." In an earlier video, the man says that if anything ever happens to him, he doesn't want to be linked to any groups and mentioned once belonging to Nation of Islam.
In documents seeking the name change, Long also referred to himself as a member of a black separatist group known as the Washitaw Nation.
A former Marine dressed in black and carrying extra ammunition ambushed police in Baton Rouge, shooting and killing three law enforcement officers less than two weeks after a black man was fatally shot by police there in a confrontation that sparked nightly protests that reverberated nationwide.
Three other officers were wounded Sunday, one critically. Police said the gunman was killed at the scene.
"His movements, his direction, his attention was on police officers," state police Col. Mike Edmonson said Monday morning. He would not elaborate but said the gunman "certainly was seeking out police officers," and he used the word "ambush" to describe the attack.
Edmonson also confirmed that investigators have interviewed people with whom the shooter had contact in Baton Rouge. But Edmonson wouldn't say how many or give details. He stressed that the interviews don't mean that those people were involved in the shooting and urged any others who might have had contact with or information about shooter Gavin Long to come forward.
The shooting less than a mile from police headquarters added to the tensions across the country between the black community and police. Last week, a gunman targeted police during a march in Dallas, killing five officers. And just days before the Baton Rouge attack, one of the slain officers had posted an emotional Facebook message about the challenges of police work in the current environment.
President Barack Obama urged Americans to tamp down inflammatory words and actions.
"We don't need careless accusations thrown around to score political points or to advance an agenda. We need to temper our words and open our hearts ... all of us," Obama said.
The gunman was identified as Gavin Long of Kansas City, who turned 29 Sunday.
Long, who was black, served in the Marines from 2005 to 2010, reaching the rank of sergeant. He deployed to Iraq from June 2008 to January 2009, according to military records.
The Marine Corps says Long was stationed in Okinawa, Japan as well as in San Diego during his time in the military.
Although he was believed to be the only person who fired at officers, authorities were investigating whether he had some kind of help.
"We are not ready to say he acted alone," state police spokesman Major Doug Cain said. Two "persons of interest" were detained for questioning in the nearby town of Addis. They were later released without any charges being filed.
While in the military, Long was awarded several medals, including one for good conduct, and received an honorable discharge. His occupational expertise was listed as "data network specialist."
The University of Alabama issued a statement saying Long attended classes for one semester in the spring of 2012. A school spokesman said university police had no interactions with him.
In Kansas City, police officers, some with guns drawn, converged on a house listed as Long's.
It was the fourth high-profile deadly encounter in the United States involving police over the past two weeks. In all, the violence has cost the lives of eight officers, including those in Baton Rouge, and two civilians and sparked a national debate over race and policing.
Authorities initially believed that additional assailants might be at large, but hours later said there were no other active shooters. They did not discuss the gunman's motive or any relationship to the wider police conflicts.
The shooting began at a gas station on Airline Highway. According to radio traffic, Baton Rouge police answered a report of a man with an assault rifle and were met by gunfire. For several long minutes, they did not know where it was coming from.
The radio exchanges were made public Sunday by the website Broadcastify.
Nearly 2½ minutes after the first report of an officer getting shot, an officer on the scene is heard saying police do not know the shooter's location.
Almost 6 minutes pass after the first shots are reported before police say they have determined the shooter's location. About 30 seconds later, someone says shots are still being fired.
The recording lasts about 17 minutes and includes urgent calls for an armored personnel carrier called a BearCat.
"There simply is no place for more violence," Louisiana Gov. John Bel Edwards said. "It doesn't further the conversation. It doesn't address any injustice perceived or real. It is just an injustice in and of itself."
From his window, Joshua Godwin said he saw the suspect, who was dressed in black with a ski mask, combat boots and extra bullets. He appeared to be running "from an altercation."
Mike Spring awoke at a nearby house to a sound that he thought was from firecrackers. The noise went on for 5 to 10 minutes, getting louder.
Of the two officers who survived the shooting, one was hospitalized in critical condition, and the other was in fair condition. Another officer was being treated for non-life-threatening injuries, hospital officials said.
Two of the slain officers were from the Baton Rouge Police Department: 32-year-old Montrell Jackson, who had been on the force for a decade, and 41-year-old Matthew Gerald, who had been there for less than a year.
The third fatality was Brad Garafola, 45 and a 24-year veteran of the East Baton Rouge Sheriff's Office.
Jackson, who was black, posted his message on Facebook on July 8, just three days after the death of 37-year-old Alton Sterling, a black man killed by white Baton Rouge officers after a scuffle at a convenience store.
In the message, Jackson said he was physically and emotionally tired and complained that while in uniform, he gets nasty looks. When he's out of uniform, he said, some people consider him a threat.
A friend of Jackson's family, Erika Green, confirmed the posting, which is no longer on Facebook. A screenshot of the image was circulating widely on the internet.
Police-community relations in Baton Rouge have been especially tense since Sterling's death. The killing was captured on cellphone video.
It was followed a day later by the shooting death of another black man in Minnesota, whose girlfriend livestreamed the aftermath of his death on Facebook. The next day, a black gunman in Dallas opened fire on police at a protest about the police shootings, killing five officers and heightening tensions even further.
Thousands of people protested Sterling's death, and Baton Rouge police arrested more than 200 demonstrators.
Sterling's nephew condemned the killing of the three Baton Rouge officers. Terrance Carter spoke Sunday to The Associated Press by telephone, saying the family just wants peace.
"My uncle wouldn't want this," Carter said. "He wasn't this type of man."
A few yards from a police roadblock on Airline Highway, Keimani Gardner was in the parking lot of a warehouse store that would ordinarily be bustling on a Sunday afternoon. He and his girlfriend both work there. But the store was closed because of the shooting.
"It's crazy. ... I understand some people feel like enough is enough with, you know, the black community being shot," said Gardner, an African-American. "But honestly, you can't solve violence with violence."
Michelle Rogers and her husband drove near the shooting scene, but were blocked at an intersection closed by police.
"I can't explain what brought us here," she said. "We just said a prayer in the car for the families."
Also Sunday, a domestic violence suspect opened fire on a Milwaukee police officer who was sitting in his squad car. The officer was seriously wounded, and the suspect fled and apparently killed himself, authorities said.
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The man who killed two police officers and a sheriff's deputy in Baton Rouge was a former Marine sergeant who served in Iraq and had no known ties to any extremist groups.
Gavin Eugene Long, whose last known address was in Kansas City, Missouri, carried out the attack Sunday on his 29th birthday. Police say he also wounded three officers before he was killed in the latest in a string of violent incidents involving police.
According to military records, Long was a Marine from 2005 to 2010 and rose to the rank of sergeant. He served in Iraq from June 2008 to January 2009, and records show he received several medals during his military career, including one for good conduct. Long, who received an honorable discharge, was listed as a "data network specialist" in the Marines.
(Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)
A state police spokesman says two "persons of interests" who were detained earlier Sunday have been released.
Major Doug Cain said late Sunday that the individuals from Addis were questioned and released but that the investigation was still ongoing. He said no charges were filed against them.
Cain said authorities are still looking to see if the man who opened fire on police in Baton Rouge had any help - "indirectly, directly here or at home."
A gunman killed two Baton Rouge police officers and sheriff's deputy early Sunday before he was shot and killed.
A spokeswoman for the East Baton Rouge Parish Sheriff's Office has identified the third officer killed during a shooting in Baton Rouge as sheriff's deputy Brad Garafola.
Casey Rayborn Hicks told The Associated Press Sunday that the slain deputy was 45-years-old and had been with the sheriff's office for 24 years.
Garafola was one of three law enforcement officers shot and killed Sunday. The other two were Baton Rouge police department officers Montrell Jackson and Matthew Gerald.
Hicks also identified the injured sheriff's deputies as 41-year-old Nicholas Tullier an 18-year veteran, and 51-year-old Bruce Simmons, a 23-year veteran.
Hicks says that Tullier is in critical condition while Simmons has non-life threatening injuries.
A person familiar with the investigation has identified the second slain Baton Rouge police officer as Matthew Gerald, 41.
The person spoke on condition of anonymity because he was not authorized to speak to the media.
Gerald was one of three law enforcement officers killed by a gunman Sunday in Baton Rouge.
A Louisiana state representative has identified one of the three officers killed Sunday and said he had a 4-month-old child.
State Rep. Ted James Sunday gave the name of the dead officer as Montrell Jackson.
James said he knows Jackson and his family personally and spoke to the family earlier Sunday.
Jackson was one of three officers shot and killed in Baton Rouge Sunday morning. Three others were also wounded.
A law enforcement official familiar with the investigation says Baton Rouge shooter has been identified as Gavin Long.
A spokesman for the Louisiana state police says they believe the gunman who killed three officers in Baton Rouge was the only shooter but that officials are unsure whether he had accomplices.
Major Doug Cain said Sunday, "we are not ready to say he acted alone."
Cain says two people had been detained in another town called Addis, which is near Baton Rouge, and called them "persons of interests."
Three Baton Rouge law enforcement officers were killed and three others wounded Sunday, less than two weeks after a black man was shot and killed by police here in a confrontation that sparked nightly protests across the city that reverberated nationwide. One suspect was killed and two others might still be at large, said Casey Rayborn Hicks, a spokeswoman for the East Baton Rouge Sheriff's Office. The city was on high alert, officials said. The shooting - which took place just before 9 a.m., less than a mile from police headquarters - came amid escalating tensions across the country between the black community and police.
© 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.