The Las Vegas police department was sued in federal court Thursday by the family of Erik Scott, which claims his civil rights were violated when officers shot and killed him at a Costco on July 10. The lawsuit, filed in U.S. District Court for Nevada, names as defendants the Las Vegas Metropolitan Police Department, Sheriff Doug Gillespie, officers William Mosher, Joshua Stark and Thomas Mendiola as well as Costco Wholesale Corp. and Costco security officer Shai Lierly.