A cousin of Detroit Pistons forward Rasheed Wallace was killed and a police officer was wounded in a shootout authorities said occurred after an undercover drug buy.

Tyree Wallace, 22, was pronounced dead at Albert Einstein Medical Center. Sgt. Mike Mitchell, 41, was in stable condition Friday with a groin wound.

Pistons spokesman Matt Dobek confirmed that Tyree Wallace was Rasheed Wallace's first cousin. Dobek said it was unclear whether Wallace would play in Friday night's home game against the Golden State Warriors, but said he did not participate in the team's shootaround Friday morning.

On Thursday night, Mitchell was in an unmarked police car when an undercover officer bought drugs from Tyree Wallace before identifying himself, Police Commissioner Sylvester Johnson said.