The FBI confirmed Monday it is investigating vandalism at an Oklahoma City mosque as a possible hate crime. Surveillance photos show two males spray-painting graffiti on the walls of the American Muslim Association of Oklahoma City at 3201 NW 48th Street early Saturday morning. The Director of the Mosque discovered the damage to the property when he arrived around 5:30 am Saturday. The graffiti included derogatory words and symbols. The FBI is requesting the public's assistance in identifying the individuals responsible. Anyone with information is requested to contact the FBI at (405) 290-7770.