> Obstruction of justice generally require more active behavior than simply refusing service to someone you believe is investigating you. You're right, but as

> Obstruction of justice generally require more active behavior than simply refusing service to someone you believe is investigating you. You're right, but as other people in this thread have mentioned, Uber wasn't simply refusing service to the suspected investigators (which probably would've been fine): they were actively wasting their time, making them think a ride was on the way when it wasn't. That tips it into obstruction of justice.