"Information obtained currently has police focusing on the residence,” the Crystal Lake Police Department said.
An elderly woman with her fingers stuck in a train door was dragged underneath as it pulled away on Friday.
The injured woman's ex-boyfriend was caught late Saturday night and now faces murder charges.
Investigators say a 9-year-old boy and a 7-year-old girl were shot Saturday after a man became involved in a road rage incident with their father.
"Any time a white deputy is involved in contact with using force with a black youth, this thing blows up," the Broward County sheriff said Saturday.