Anybody remember this case? Two teen girls killed in an obscure woodsy area, family leaves framed pics onsite, return a year later, someone (presumably the killer) removed pics from frame. What case am I thinking of?

http://unsolvedmysteries.wikia.com/wiki/Diana_Shawcroft_and_Jennifer_Lueth

Sadly, the case is still unsolved.

P.S. Love your Moonlight avatar!