PRINCE WILLIAM COUNTY, Va. (DC News Now) -- The Prince William County Department (PWCPD) said it is investigating after a 43-year-old man died from "suspicious" injuries in Triangle on Sunday morning. According to the department, just after 10:30 a.m., officers responded to a home in the 18500 block of Triangle St. for an injured man found inside of a vehicle. An investigation revealed that an acquaintance of the man found him with life-threatening injuries. He died there. MS-13 gang member arrested for Sterling double murder, sheriff’s office says Police said the man's injuries were suspicious and not self-inflicted and that his identity will be released after the next-of-kin is notified. The department also said that the incident does not appear to be random. The investigation is ongoing. Police encourage anyone with information to call 703-792-6500 or submit a tip online, here.