The U.S. Coast Guard from Astoria has joined the search for Travis Decker, who is accused of killing his three daughters.

It's been over a month since Travis Decker went on the run after allegedly killing his three young daughters in Washington ...

This interaction was captured on May 27 -- just three days before Decker picked up his daughters for a planned visit on May ...

Police have been searching for Travis Decker since June, after his three young daughters were found dead at a campsite.

Olivia, Evelyn and Paityn went missing in Washington after being picked up by Decker for a planned custody visit.

The nearly 20-minute dash cam video showed Decker leaning up against his pick-up truck and staring at the responding officer ...