Joe Kenda's investigation into the brutal rape and murder of 24 year old wife and mother Mary Lynn Vialpando goes cold until DNA technology leads cold-case detectives to the most unlikely of killers 30 years later.
Host / Lt., Colorado Springs PD
Self - D.A., El Paso County
Self - Chief of Investigation, DA's Office
Self - Cdr., Colorado Springs PD
Self - Lt., Colorado Springs PD
Self - Det., Colorado Springs PD
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