In February, Lora Pabst - our erstwhile Whistleblower reporter - revealed the pattern of complaints in Minneapolis about Roto-Rooter's sales practices, which many homeowners said suggested big-ticket repairs that other plumbers thought completely unnecessary. The city was close to reaching an agreement with the company when the Minneapolis police fraud unit stepped in, Nicole Norfleet and Anthony Lonetree report. A local spokesman for the company says its employees have been retrained, but Roto-Rooter stands by its work.

Read the search warrant below:

Search warrant in Roto-Rooter probe