John Eugene Colbert, 30, of New Castle is considered a “person of interest” in the investigation into the disappearance of Katie Stoner, pictured on the right, according to police.

Kittanning police are seeking a former boyfriend of a woman missing for four days.

John Eugene Colbert, 30, of New Castle is considered a “person of interest” in the investigation into the disappearance of Katie Stoner, according to police.

Colbert is described as white, 6 feet, 3 inches tall and 185 pounds. He has brown hair and blue eyes. Police said he has a tattoo of the word “loyalty” on his right forearm and another tattoo on his right shoulder.

Anyone with information on Colbert’s whereabouts is asked to call borough police 724-543-1538, or contact 911.

Police said they also are continuing their search for Stoner, 27, of New Castle, who was last reportedly seen about 6:30 p.m. Thursday.

Colbert is an ex-boyfriend of Stoner’s, police said. She is white, 5, feet 11 inches tall and 160 pounds. She has blondish brown hair and blue eyes.

Police said she has a tattoo on her right ankle that reads, “Daddy’s Little Girl.” She also is believed to have a cut on her left eye and burn marks on her wrists.

She was last seen wearing a yellow Northface brand hooded sweatshirt, grey plaid van shoes and a black coat brown fur hood.

Anyone with information about Stoner is asked to notify police.