Closing arguments will begin Monday in the trial of a tech consultant in the stabbing death of Cash App founder Bob Lee in San Francisco last year.

After six weeks of testimony, prosecutors charging Nima Momeni with the murder of Cash App founder Bob Lee started their closing arguments — and urged the

Attorneys for defendant Nima Momeni on Tuesday wrapped up their closing argument with a surprise video clip they claimed showed fatal stabbing victim and Cash App founder Bob Lee doing cocaine with the same knife used to kill him hours later.

In a surprise reveal Tuesday during its closing remarks to the jury, defense attorneys for accused killer Nima Momeni played surveillance video they say shows Cash App founder Bob Lee using a knife to snort cocaine hours before he was killed.