The tech consultant charged with the killing of Cash App founder Bob Lee planned the attack, drove the victim to a secluded spot and stabbed him over an apparent dispute related to the suspect's sister, prosecutors said in a court document released Friday. The motion to detain Nima Momeni, 38, without bail is the first official accounting of what may have led to the stabbing death of Lee in a deserted part of downtown San Francisco early morning on April 4. Momeni was arrested Thursday and appeared in a San Francisco courtroom Friday but did not enter a plea. MORE: https://www.cbs8.com/article/news/nation-world/cash-app-founder-killing-suspect-court-appearance/507-bfe75670-584e-4b09-970c-e3eede95644e