In a tight match-up, Al Lamberti appears to have lost his title of Broward County sheriff to challenger Scott Israel.
As of 1 a.m., with all precincts reporting, Israel led Lamberti by more than 45,000 votes.
It is the first time Broward voters have removed a current sheriff since they booted controversial Nick Navarro from office in 1992.
Lamberti, a member of the sheriffs office for almost 35 years, ran on his record of tackling crime that faces most Broward residents: pill mills, synthetic drugs and identity theft.
Israel, a former North Bay Village police chief and Fort Lauderdale officer, campaigned on reducing the number of young people and homeless who fill Broward County jails.
Lamberti was hoping to win reelection despite being a Republican in a heavily Democrat county.