DALLAS -- Police are asking anyone with information about a man's suspicious death to come forward.

Jon Pappas was pronounced dead at a local hospital at about 9 a.m. on Oct. 18 after being found in the 4400 block of Greenville Avenue.

His death is classified as "unexplained" at the moment, police say.

Homicide Detectives want anyone who saw Pappas in the area of Greenville Avenue and Mockingbird Lane between 3 a.m. and 9 a.m. on Oct. 18 to call them at (214) 671-3701.