Cash App creator Bob Lee moved out of San Francisco because he thought the city was 'deteriorating' shortly before he was stabbed there, friend says

• Cash App creator Bob Lee was fatally stabbed in San Francisco earlier this week.
• His friend, Jake Shields, told NewsNation that Lee had recently relocated to Miami. 
• Lee moved out of San Francisco because he thought it was unsafe, Shields added.

Cash App creator Bob Lee moved out of San Francisco because he thought the city was "deteriorating" shortly before he was fatally stabbed, a friend told NewsNation on Wednesday.