A possible window into the killer's motives appeared nearly a month after the event. An apartment manager of a complex about a mile from Huff's residence called police about a possible bomb he found while inspecting dumpsters, although that bomb turned out to be just modeling clay and wires. In the investigation afterwards, police found a handwritten note in the dumpster apparently written by Huff. On June 6, the police released the letter, not yet authenticated, to the media. A week later, the Washington State Patrol's State Crime Lab concluded that it was "highly probable" that the letter was authentic. Arguments in favor of authenticity included the fact that the letter was written on stationery from the apartment complex where the Huff brothers lived and matched several known samples of the killer's writing, according to crime lab experts. "The Stranger", an alternative weekly, earlier claimed that the handwriting on the letter appeared to be identical to samples from a job application of Huff's that the periodical had obtained.