T.J. Holmes allegedly had sex with intern, 24, in his office

T.J. Holmes allegedly had sex with a much younger subordinate while on the job.

A source claimed to DailyMail.com on Thursday that Holmes had a months-long affair with Jasmin Pettaway, then 24, in 2015 — while the currently suspended “GMA3” co-host was married to his now-estranged wife, Marilee Fiebig.

“He was a predator who took full advantage of his position, and he was reckless,” claimed the source, who reportedly knew Pettaway — a script coordinator — well at the time.

“It was Jasmin’s first real job in television, and it was a big deal for her,” continued the source, who spoke to the outlet on condition of anonymity. “She was looking for a mentor, and she reached out to several people. T.J. was someone who was responsive, but he absolutely abused the position of trust.”

According to the reported insider, Pettaway and Holmes, who joined the ABC News team in September 2014, often worked the same shifts.

“Holmes was someone who would grab drinks, and he and Jasmin started doing that,” the insider claimed, noting that the now-45-year-old “was a correspondent at the time.”

The informant went on to allege that the first time the pair’s relationship “got sexual” was “in his office” — only a “couple of hours” before he was set to go on the air.

The insider claimed to the Mail, “They had sex, and I know she was confused afterwards as to what it meant.”

According to the source, Holmes’ alleged behavior with Pettaway was not uncommon, but rather part of “incredibly reckless” conduct on his part.

The anchor even allegedly once “got handsy” with Pettaway in public while they were having drinks, per the report.

“He just didn’t seem to care,” the source said, claiming that Holmes was “wearing his [wedding] ring” at the time.

The pair’s alleged affair “fizzled out” after a few months, leaving the insider wondering whether Holmes was “ever invested in being a mentor at all.”

“He had it all on his terms. He was interested and then he wasn’t,” the informant claimed, adding, “No one talked about abuse of power back then, but stuff happened.”

An ABC source tells Page Six exclusively that “there is already an internal investigation underway into if anything happened between T.J. and Jasmin Pettaway.”

“She was only at ABC News for a short period of time, but if they did have an affair when he was her superior, this would be a huge problem for T.J.,” our source adds.

ABC declined to comment.

Holmes’ workplace behavior first made headlines in November 2022 when his months-long affair with his then-married “GMA3” co-anchor, Amy Robach, was revealed.

After the network launched an investigation into the nature of the colleagues’ relationship, it was reported that Holmes allegedly had romances with at least two other employees, including married producer Natasha Singh.

“The feeling is that T.J. and Amy are not coming back,” our source tells us. “HR and the execs are looking for a way to hang them, and this could be it for him.”

“He and Amy are equals,” our insider notes, “but if he did have an affair with an underling, that is a definite case for his dismissal.”

Reps for Holmes and Robach declined to comment.

Pettaway did not immediately respond to calls from Page Six.