Burt was last seen in the 2200 block of Hervey Street in Boise, Idaho at 10:30 p.m. on February 11, 2007. Shortly after his disappearance, his ex-wife got a text message from Burt's cellular phone, stating he planned to disappear and was moving to a new address and getting a new life. He has never been heard from again.

Burt's family believe he may have come to harm, as it would be uncharacteristic of him to abandon his young daughter. In May 2007, the Mercury Cougar Burt had been driving at the time of his disappearance was found abandoned and burned in an extremely remote desert area 45 miles north of the Nevada state line. The vehicle belonged to Burt's ex-wife. Authorities searched the car, but found no evidence as to Burt's whereabouts.

Burt's case is being investigated as a missing person rather than a crime, but his family fears for his safety. His case remains unsolved.