Authorities blasted out three photos late Tuesday to show how the 32-year-old father “potentially could have altered his appearance” while on the run.

The digitally altered images show Decker — who authorities warn is “armed and dangerous” — with his usual long hair, as well as ones where he is sporting a shaved head and zero facial hair.

Large-scale search crews have been scouring remote areas of Washington state since Decker failed to return his girls to his ex-wife after a May 30 custody visit.

The three sisters — Paityn, 9, Evelyn, 8, and Olivia, 5 — were found dead at a Wenatchee campground three days later.

In its latest update, the Chelan County Sheriff’s Office warned Decker was still at large – despite a viral TikTok video claiming he’d been nabbed following a standoff.

“Our office was notified of a TikTok video that was released which portrays Sheriff Morrison and claims Mr Decker has been taken into custody after a long standoff,” the sheriff’s office said.

“To be clear, Mr Decker is not in custody and CCSO had no part in making the video.”

The clip, which appeared to show a dramatized portrayal of Sheriff Mike Morrison, started spreading on social media over the weekend.

Meanwhile, authorities said investigators were continuing to process evidence gathered at the scene.

Law enforcement from multiple agencies, including the Washington Army National Guard, were also still searching around the clock — via air and on the ground — for any signs of Decker, the sheriff’s office said.

The US Marshals Service is offering a reward of up to $20,000 for information leading to his capture.

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