Police and other sources say Block’s Cash App has become one of the primary payment tools for sex traffickers, including due to lax user ID rules (Thomas Brewster/Forbes)

Thomas Brewster / Forbes:
Police and other sources say Block’s Cash App has become one of the primary payment tools for sex traffickers, including due to lax user ID rules  —  The Twitter and Block billionaire made Cash App into a $700 million monster.  Now police officers, nonprofit critics and current and former employees …