Denver- Timothy J. Boham, a former porn star, was arrested this morning in connection with the slaying of a wealthy Denver businessman over the weekend.

Boham, 25, was spotted in Lukeville, Ariz. by Customs and Border Patrol officers while he was loitering outside the inspection facility on U.S. soil. When officers questioned him, he said he was being sought on a murder warrant. Arrangements for his return are being discussed.

The victim, John P. Kelso, 43, was found in his Congress Park home Monday morning by a housekeeper. Detectives think Kelso was killed sometime over the weekend.

“It appears at this time that the victim and the suspect were acquainted with each other,” Denver police spokeswoman Virginia Quiñones said.

Boham used the stage name “Marcus Allen” and appeared in several gay-themed movies in 2004 and 2005. Some of his titles include: “Little Big League,” “Through the Woods,” “Never been touched,” and “Ripe.”

Detectives obtained an arrest warrant for Boham for investigation of first-degree murder.

Kelso was a co-founder in 1996 of Professional Recovery Systems, the firm’s president, Jon D. Sawyer, said. A few years later Kelso spun off an affiliated company, Professional Recovery Systems Assets, and became its president.

“He was one of the pioneers in the debt-buying industry, and he was a speaker at industry functions,” Sawyer said. “He loved the business and he developed a great network with people in the industry.”

Though Kelso had a criminal record that goes back more than 15 years and personal financial trouble that included bankruptcy filings, he ran a clean ship at the two companies, Sawyer said.

“He was able to turn around his financial problems and he contributed to building a successful business,” Sawyer said.