Lil Za and Justin Bieber

Cops from the Los Angeles County Sheriff Department raided Justin Bieber’s Calabas mansion after the singer and his friends reported egged a neighbor’s house.

Bieber’s close friend Lil Za was arrested on felony and drug possession charge after cops found narcotics in the home.

DETAILS: Cops Raid Justin Bieber House After Alleged Egg Attack On Neighbor

According to TMZ, the rapper was brought into custody and bail was set at $20,000.

Initially police say the drug was cocaine, but they later say it could probably be Molly.

Justin Bieber is under investigation for vandalism after he allegedly egg bomb a neighbor’s house. The whole thing was reportedly caught on camera.