"Justin is of course cooperating with the authorities," a source close to the Biebs exclusively tells me. "He's also moving forward and concentrating on work and his new music."
Bieber was sound asleep when authorities showed up to search his Calabasas, Calif., home after a neighbor reported that Bieber had egged his house.
His pal Lil Za, who was also asleep in the house, was arrested on suspicion of drug possession after police found MDMA (commonly known as Molly). Detectives may also have found Xanax in the house and narcotics investigators are looking into it, a law enforcement source told E! News yesterday.
We're told that those who conducted the raid did recover surveillance footage from the home.
Lil Za was released on $70,000 bail after he was arrested a second time in jail after he smashed and damaged a phone.
Bieber, who has not been connected to the drugs found in his mansion, is accused of egging his neighbor's home on Thursday, Jan. 9. Bieber could be charged with a felony.
"The houses in that neighborhood are of a quality that any damage is going to be extensive. So they had some imported wood and brick and that was significantly damaged," Lt. Steve Whitmore said.
Bieber's reps have yet to comment on the events surrounding the raid.