Tech Exec Bob Lee’s Relationship to Alleged Killer in Focus

The killing of Bob Lee, a technology executive and a creator of Square’s Cash App, became a focus of morbid fascination across Silicon Valley. Over the last two weeks, friends, family and prosecutors began to offer a clearer picture of Lee and the alleged murderer as two men with shared interests and overlapping social circles.

Nima Momeni, the man accused of stabbing Lee to death in San Francisco this month, appeared in court Tuesday for a hearing on his arraignment, which is now set for next week. His attorney, Paula Canny, said the evidence against Momeni doesn’t support a premeditated murder ...