The video is one of the only clues as to the alleged killer's behavior in the days surrounding his daughters' murders ...

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 ...

Wenatchee Police Department - PHOTO: Video released by police shows Travis Decker, the father accused of killing his three ...

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

Travis Decker, accused of murdering his three young daughters after a custody visit, appears in newly released police footage from days before the children were found asphyxiated.

Travis Decker is seen on police dashcam video following a minor car accident three days before his three daughters were found ...