Watch Cold Justice Saturdays at 8 p.m. on Oxygen. Watch full episodes on the Oxygen App. Parker’s violent 1997 murder is the focus of an all-new Cold Justice, airing Saturday, Oct. 18, at 8/7c on ...

Kelly Siegler speaks to Det. Haley Dinapoli about the importance of noting down every detail in domestic violence cases.

Kelly Siegler (born October 12, 1962) is a former Harris County, State of Texas prosecutor. She has been the Bureau Chief of the Special Crimes Bureau, which included the Major Offenders Division, the ...