Fifth Squad Detectives are investigating a Grand Larceny that occurred on Thursday, March 09, 2023, at 2:42 pm in Valley Stream.According to detectives, the male victim, 21, arranged on social media to meet with an unknown male and potentially sell a 2020 Yamaha dirt bike. Both parties agreed to meet at Chase Bank located at 930 Rosedale Road. The subject handed the victim a TD Bank envelope, which the victim believed to contain the agreed upon purchase price. The subject asked to take the bike for a test drive. The victim started the bike, the subject got on and rode westbound on Rosedale Road. The subject did not return. The victim opened the envelope and discovered it contained fake money.The subject is described as a male black, approximately 18 – 25 years old and 5’11” tall. He was wearing a black hooded sweatshirt, black pants, black shoes and a white surgical mask.Detectives request anyone with information regarding the above incident to contact Nassau County Crime Stoppers At 1-800-244-TIPS or call 911. All callers will remain anonymous.