An ingestigation
He found a chink in it.
Click here to find out( http://www.reddit.com/r/Jokes/comments/1v1wqm/howdoyoukeepanidiotoccupied/)
He wrote "1 + 0 = 0" and then spent the rest of the lesson trying to rub one out...
Because after 90 days in Mexico, even they try to enter the US illegally.
30 minutes.
Little Seizures