WIRED @WIRED
On September 8, 2018, Karen Navarra’s heart rate apparently spiked and then plummeted. By 3:28 pm, she wasn’t registering a heartbeat. Navarra had been brutally murdered, and for five days nobody knew. But there was a witness: Her Fitbit: https://t.co/Hago6JGBck (From 2019) https://t.co/0M3DGGMuZa — PolitiTweet.org