By ADRIANA GOMEZ LICON and LINDSAY WHITEHURST MIAMI (AP) — The disappearance and almost-certain death of Gabby Petito and the police hunt for her boyfriend have generated a whirlwind online, with a multitude of armchair detectives and others sharing tips, possible sightings and theories by way of TikTok, Instagram and YouTube. Whether the frenzy of attention and internet sleuthing has helped the investigation