UPDATE: 6:28 p.m. - The Caldwell Police Department has since issued a press release regarding the crime scene investigation on Indiana Avenue. ORIGINAL STORY: A police investigation involving the Caldwell Police Department and t he Idaho State Police is underway at a Caldwell residence, where a city excavator is being used to dig up the backyard.The house, located on the corner of Indiana Avenue and Roosevelt Street, is cordoned off with police tape, and a significant police presence appears to be supporting the investigation. A coroner was on the scene at one point on Sunday.Neighbors told Idaho News 6 that authorities have been on the scene at 1510 N Indiana Ave. since Thursday morning. A city spokesperson says there is no threat to the public. This is an ongoing investigation and Idaho News 6 will continue to update this story as more information becomes available ...read more read less