Gabrielle Lurie/San Francisco Chronicle via AP and Courtesy of MobileCoin
- Nima Momeni is facing a murder charge in connection to the death of Cash App founder Bob Lee.
- Lee dated Momeni's ex-girlfriend about three years ago, sources told The Wall Street Journal.
- At a later point, Lee began casually sleeping with Momeni's sister, Khazar, per WSJ.
Cash App founder Bob Lee dated his murder suspect's ex-girlfriend before he began casually sleeping with the alleged killer's sister, Khazar Momeni, friends familiar with Lee's relationships told The Wall Street Journal.