Police have shared new video of Washington state fugitive Travis Decker three days before his daughters' murders.

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

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

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

As a massive manhunt for Travis Decker continues, a new video has provided an insight into his mental health condition before he committed the murders.