We're learning new details about a fatal shooting Sunday night.Officers were sent to the 1200 block of Fawn Parkway Plaza to investigate the shooting around 9 p.m.According to Douglas County Attorney Don Kleine, Joseph Merolla, 19, died of a self-inflicted gunshot wound.Video: Family remembers Joey Merolla"Witnesses at that location tell us that sadly, and unfortunately, these young people were playing Russian roulette," Kleine said. "The victim had actually taken a revolver, stuck a bullet in the chamber, spun the cylinder, put it up to his temple and pulled the trigger."There were two witnesses to his death, Kleine said. "Three in the room, two besides the deceased."A fourth person -- Erik Valencia, 18, who was not a witness to the shooting -- left the scene with the gun, according to authorities."I don't understand, I'm not sure why or what his motive was, but he did," Kleine said.Valencia has been charged with tampering with physical evidence, a Class IV felony.Valencia appeared in court Wednesday, where his bail was set at $40,000. A preliminary hearing is set for Aug. 26.Kleine said investigators are looking into possible drug involvement in the case, as well.

We're learning new details about a fatal shooting Sunday night.

Officers were sent to the 1200 block of Fawn Parkway Plaza to investigate the shooting around 9 p.m.

According to Douglas County Attorney Don Kleine, Joseph Merolla, 19, died of a self-inflicted gunshot wound.

Video: Family remembers Joey Merolla

"Witnesses at that location tell us that sadly, and unfortunately, these young people were playing Russian roulette," Kleine said. "The victim had actually taken a revolver, stuck a bullet in the chamber, spun the cylinder, put it up to his temple and pulled the trigger."

There were two witnesses to his death, Kleine said. "Three in the room, two besides the deceased."

A fourth person -- Erik Valencia, 18, who was not a witness to the shooting -- left the scene with the gun, according to authorities.

"I don't understand, I'm not sure why or what his motive was, but he did," Kleine said.

Valencia has been charged with tampering with physical evidence, a Class IV felony.

Valencia appeared in court Wednesday, where his bail was set at $40,000. A preliminary hearing is set for Aug. 26.

Kleine said investigators are looking into possible drug involvement in the case, as well.