KUSA - Authorities are looking for murder suspect who is likely armed and dangerous.

William Donnell III is wanted in connection to the suspicious death of his girlfriend, 29-year-old Tara Martinez. She was found shot dead Tuesday morning in Olney Springs in Crowley County.

Donnell was last seen driving a dark green Pontiac Grand Am with gold rims and tinted windows.

If you have seen Donnell, please call 911.