Her Last Call

Nearly two decades after Michael King was convicted for the murder of 21-year-old mother Denise Amber Lee, he was executed in March with Denise's husband and son in attendance. This Friday, "20/20" revisits the case of this young mother who was kidnapped and murdered following a series of chilling 911 calls, including new interviews with Denise's husband and son following that execution. "20/20" co-anchor Deborah Roberts reports.