Authorities said they recovered “a large amount of evidence” from Travis Decker's vehicle, including blood samples and “many of the suspect’s personal items."

The girls, Olivia, Evelyn, and Paityn, were found dead near a campground on June 2, three days after they were last seen alive.

Authorities said they recovered “a large amount of evidence” from Travis Decker's vehicle, including blood samples and “many of the suspect’s personal items."