Report from the Centers for Medicare and Medicaid Services showed nearly 20 percent fewer new people signed up than at about the same time last year.
"I still know somebody knows where she’s at," Cheryl Berreth said. "Somebody has seen her. There’s more info out there. Somebody just needs to realize, recognize, say something."
The 29-year-old man likely would "not have survived another day given the circumstances," officials said.
The 47-year-old pilot suffered traumatic injuries and was taken to the hospital.
The lawsuit alleging poisoning seeks $18 million from Felice Soldwedel and was filed a week after a prosecutor said there was no evidence of a crime.