Jerold Haas was on the verge of a life-altering triumph. Then, his body was found in the woods of southern Ohio. He was a co-founder of Tessr, a buzzed-about Columbus startup that aimed to use blockchain technology to streamline data sharing in higher education. For him, Tessr was a chance at redemption, but as he was about to achieve it, tragedy struck in 2018. Brendan I. Koerner, from WIRED, tells us this thrilling story.