A Florida man is accused of fatally shooting his friend on Saturday after the two got into an argument over a pool pump, Osceola County Sheriff Marcos Lopez said Monday at a news conference .

Joseph Beck, 29, was inside his parked car in the driveway of a home in St. Cloud, in central Florida, when a man whom authorities identified as 28-year-old Joshua Miller walked up and repeatedly yelled, Wheres my pool pump? Lopez said, citing video of the interaction that was captured by a surveillance camera.

Millers mother gave deputies the surveillance footage and identified her son as the suspect, according to an arrest warrant obtained by HuffPost.

The gunman is seen in the video kicking the drivers side door before opening it and striking Beck in the head multiple times with the butt of his gun, Lopez said. The gunman then fired one shot into Becks torso.