Isaiah Casnave, 21, accused of killing a woman Friday morning, was taken into custody around 7:30 p.m. Saturday.
Officers found him inside the trunk of a car with a loaded semi-automatic handgun at the corner of Red Arrow Highway and Euclid Avenue in Benton Township.
He surrendered to police without incident and is now in the Berrien County Jail.
The search began Friday morning around 9:30 a.m. when Tanita Broyles, 24, was found shot to death in the 600 block of Madison Street.
Casnave is accused of pulling the trigger but fled the scene before officers arrived.