Alonzo Harkness, 25, was taken into custody in Daytona Beach and is being charged with second-degree murder for shooting and killing his mother's boyfriend, police said.

A man who fatally shot his mother's boyfriend during an argument at a DeLand apartment Saturday night was caught Sunday afternoon in Daytona Beach, police said.

Alonzo Harkness, 25, was taken into custody in Daytona Beach and is being charged with second-degree murder for shooting and killing Roosevelt Thomas, 60, police said.

Harkness fled the scene at 430 S. Parsons Ave. in DeLand after the shooting, police said.

Police are investigating what led to that argument and the circumstances that ended in gunfire that killed Thomas, said DeLand police Lt. Juan Millan.

"We understand that there was an argument and that the victim got shot," Millan said.

[READ MORE: Man shot during dispute near DeLand]

Officers responded shortly before 11 p.m. to the South Parsons Avenue where they found Thomas in one of the apartments, authorities said.

Florida prison records show Harkness has done prison time for running from police, carrying a concealed firearm, check fraud and lewd and lascivious exhibition in front of an employee.

Editor's note: DeLand Police have issued a correction. Thomas was the suspect's mother's boyfriend.

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