BOISE - Friday evening and Saturday morning, authorities looking for 8-year-old Robert Manwill focused their efforts on Evan Wallis' Boise home and blue Suburban

"I was devastated that my truck was being considered part of this case with Robert," Wallis said.

The Homeowner, Wallis, says he has three boys of his own and is an innocent bystander in the investigation.

Wallis says he welcomed authorities to his backyard to search for anything that may lead them to the little boy.

"I have complete cooperation with them because it is a little boy that needs to be found," he said.

Wallis says police searched his home after bloodhounds picked up a scent on his Suburban. He says his truck was stolen on July 22, just two days before Robert disappeared. Then it turned back up on Monday and Wallis notified the Ada County Sheriff's Office.

"And that's what lead them to come back here and get a warrant to come dig up our backyard," Wallis said. "I told them go ahead just as long as you just leave things the way they were when you're done."

At a news conference earlier this afternoon, Boise Deputy Chief Jim Kerns says he couldn't tell CBS 2 anything about the search on Wallis' property, and they're looking into more than 300 tips.

"At this point the investigation to find Robert is an hour by hour effort," Kerns said. "The lead detectives are constantly evaluating evidence and focusing resources."

Wallis says the only thing investigators were going to find in his home were freshly dug dirt from grass he was planting and a few tree stumps.

Although he says he knows the Ehrlick family very well, he wasn't very close to Melissa Jenkin's or her boyfriend Daniel Ehrlick.

Wallis says he hopes the investigation helps lead police to 8-year-old Robert Manwill and is glad he was able to help.