she could mourn skylar but on twitter and facebook, she and rachel also seemed carefree. as the police continued their investigation, sheila tweeted, i need a mimosa or ten. they were going about their lives even while the police believed the girls were stone-cold killers. >> locals would whisper in each other's ears and say, how are they still free? >> coalbart aroma runs a blog calls newsball.com. early on he started following this case and was struck by sheila's tweets. things like ain't no rest for the wicked. and incredibly this apparent reference to the countdown to skylar's murder. we really did go on three. >> it's unbelievable that she feels she's so invincible to tweet this publicly. >> and then finally by mid-april 2013 ronny gaskins got the one critical piece of evidence he needed.