He Killed His Employee Then Buried Him Under His Client’s Septic Tank

Daniel Joseph Triplett, 66, has been arrested for murdering an employee and burying the man under a client’s septic tank, authorities said.

His murder started to get noticed after the victim’s daughter,started asking questions about her father’s whereabouts said investigators in Logan County, Oklahoma.

Mack’s daughter reached out via Facebook to her father’s boss, Triplett, who allegedly told a series of lies that were undermined by documents and surveillance footage, according to an arrest affidavit dated Monday.

According to the daughter, Triplett replied through Facebook, Messenger that he fired Mack on Sept. 20, dropped him off in front of a laundromat, and gave him $1,000 as severance.

Although Triplett deleted the messages, Mack was smart enough to capture the answer via screenshot before the messages were deleted, said the investigators.

Furthermore, she has access to her father’s phone login information which shows that the last phone made was to his girlfriend whom reside in Texas. Upon being questioned, the girlfriend confirmed that the last conversation between them took place on Sept 20. She added that they spoke daily for four months.

Triplett’s Version

“He stated that he wanted to cut ties with Brent because of his violent demeanor,” authorities wrote. “Dan stated he gave Brent $1,000 as a severance pay. Dan claimed that Brent exited the truck and told him he was going to Texas to get married. Lt. Bruning asked if Brent was upset about being fired and Dan told him he wasn’t upset.”

Investigators rreached out to Triplett over phone.

Authorities with the Oklahoma State Bureau of Investigation and the Guthrie Police Department executed a search warrant at Triplett’s home on Oct. 14. Among other evidence, they discovered a statement book in his truck, showing that he was working on E. County Road 69 on Sept. 20.

The client at that home was getting a septic tank installed. Investigators said surveillance footage showed two people—identified as Mack and Triplett—showing up in Triplett’s vehicle, but only one person was seen leaving. Footage showed Mack entering the septic tank hole and also taking a lunch break in the truck, authorities said. Video did not show either man fighting each other.

Investigators said they dug up that septic tank and found Mack’s dead body under it.

“On October 22, 2021 Agent Woodward was notified that the Medical Examiners officer had located what’s believed to be a projectile in the chest cavity with an entry wound in the upper left back,” authorities said.

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