(Trent Nelson | The Salt Lake Tribune) Rob Whittle recounts how his son Jason was shot and killed by police in 2018, at a news conference in Riverton on Wednesday, Oct. 21, 2020.(Trent Nelson | The Salt Lake Tribune) Rob Whittle comforts Annie Esposito before a news conference in Riverton on Wednesday, Oct. 21, 2020. The two detailed the loss of their son Jason who was killed by police last year in 2018 and announced the filing of a lawsuit saying the Unified police officer should have used less than deadly force.