Anne Arundel County Police on routine foot patrol Monday observed a Laurel man rolling a suspected marijuana cigarette and eventually arrested him with charges related to possession of controlled dangerous substances, or CDS.

Officers of the Western District on foot patrol in the 3400 block of Laurel Fort Meade Road around 9 p.m. said they observed Darnell Mark Riddles, 25, rolling a suspected marijuana cigarette. Riddles was arrested, and after a search, police located nine baggies of suspected crack cocaine individually wrapped for sale with an estimated street value of $180, and a switchblade knife.

Riddles, of Washington Boulevard, was charged with possession of marijuana, possession of cocaine, possession with intent to distribute cocaine and possession of a concealed deadly weapon.