SAN FRANCISCO -- Bob Lee, founder of Cash App and the former chief technology officer of Square, was identified as the man stabbed to death early Tuesday morning near downtown San Francisco, according to his current employer, cryptocurrency startup MobileCoin. Preliminary police data reports 12 homicides in San Francisco this year, an uptick of 20% compared to the same time period in the previous year. "No arrest has been made in the case and San Francisco police have not released any suspect details