OMAHA, Neb. -- Omaha Police are investigating what they're calling a homicide after a man was found dead in a parking lot. 

Authorities identified the man Monday as 21-year-old Jose Roberto Umana-Cruz. 

Umana-Cruz was found down in a parking lot just east of Conoco Park in Omaha early Sunday. 

No arrests have been made. Police are asking anyone who may have information to contact OPD's Homicide Unit or Omaha Crime Stoppers.