On Sunday, January 29, 2017, at approximately 3:30 pm, Efrain Vargas was found stabbed to death inside his own apartment located at 89-29 91st Street in Queens. IF YOU HAVE ANY INFORMATION PLEASE CALL: 1-800-577-TIPS OR VISIT: CRIMESTOPPERS.NYPDONLINE.ORG OR DOWNLOAD AND USE THE CRIMESTOPPERS APP: CS-NYC TIPS ARE CONFIDENTIAL