New developments have surfaced in a triple murder investigation that remains unsolved after nearly 7 1/2 years.
Lucy Nicholson/ Reuters
CNN, Dreamworks, Twentieth Century Fox, Getty Images, New Line Cinema, The Weinstein Company
Dallas Pets Alive!/CNN
WTSP/Polk County Sheriff
KPI, unnamed website, Sarah Slocum
KCNC, Girl Scouts of Colorado
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