A pilot with an American Airlines subsidiary was arrested early Saturday morning at Louisville Muhammad Ali International Airport on murder charges, according to news reports.

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Christian Richard Martin, 51, was indicted by a grand jury Friday in a triple homicide in 2015 in Christian County, Kentucky, according to WDRB-TV. He's facing three counts of murder, a count of arson and a count of attempted arson, among other charges.

Investigators said Martin killed three people identified as Calvin Phillips, his wife, Pamela Phillips, and another man, Edward Dansereau, sometime around Nov. 15, WDRB reported. Phillips was found shot to death in his home. Pamela Phillips and Dansereau were found dead in a burned-out car a few miles away.

Authorities allege Martin relocated from Christian County to North Carolina after the murders.

He is a pilot for PSA Airlines, a subsidiary of American Airlines, and has been suspended pending the outcome of the investigation.

American Airlines officials issued a statement on the Martin case that said in part that they were “saddened” by the allegations.

“We have an unwavering commitment to the safety and security of our customers and team members, and will provide any investigative assistance possible to law enforcement throughout their investigation,” the statement said.