mother she was in danger, suggesting the word "stan" is an acro anymore for "send the authorities now." adding to the intrigue, brian laundrie's instagram post in which he shares he's been reading the book "lullaby" about a serial killer on a road trip. cyber sleuths also can't stop examining the alleged sightings like a woman who says she caught a glimpse of brian laundrie in the background of her selfie taken at ft. desoto park. >> it can be helpful but it can create a lot of noise for law enforcement to go through. >> one of gabby's hiking apps appeared to show her phone was on an island. we don't even if this is actually gabby's account and experts say something like this could easily be faked. as far as we know, none of these leads have panned out. but some social media sleuths have been in touch with the fbi and may have helped them pinpoint the wyoming national forest where gabby's remains were discovered on september 19.