According to nbcnewyork.com 42-year-old Kernizan killed himself in Florida as a task force moved in to arrest him, a law enforcement source familiar with the investigation told NBC 4 New York.
Joseph Kernizan, shot and killed captain Barkey, born Wayne Hamilton, and his female companion, Tracy Bennett, outside a Bronx motel on Saturday morning.
Kernizan was the ex-boyfriend of Tracy Bennett. The two shared two children who are now without both their parents. Bennett had gotten a restraining order against Kernizan prior to her murder.