An investigation led to the arrest of a Monterey man. On Friday,the Peninsula Regional Violence and Narcotics Team executed a search warrant on Casanova Avenue. Officers seized a gun, several hundred rounds of ammunition, over 4 ounces of cocaine, a scale, packing materials and more than12 thousand dollars. 29 year old Trevor Rains was arrested on suspicion of possession of narcotics for sale, felon in possession of a gun and felon in possession of ammunition.