to not anybody in particular, but i have tourettes. i don't feel proud.an only speak to my sort of fandom and neerdiness and geek out on the gladiators on the field. >> you've seen him on the screen. you may even feel like you know him from his roles. but surprisingly, though, jeremy renner is a normal, unbalanced, insane faithful. just like you. jeremy never misses a game. and off has to go through great lengths to get a glimpse of the team he calls his own. >> gosh, i've been in really dark areas where i just had to do highlights or someone facetimed the game and i had to watch it on facetime on my phone. i've done that. sometimes i would have to record it and just turn off my phone so no alerts came up. nowadays, you have apps, so i turn my phone off. sometimes a week will go by, i don't like watching things recorded. pause then i have to be a hermit from the world. >> by any means necessary, that's the way jeremy renner consumes his 49ers. but facetiming the screen from a remote location or dvr'ing the game doesn't rank as the most interesting place h

the impact on people with severe depression or tourettes, mayo clinic "america tonight's" special correspondent adam may. he begins with her story and the illness that has ropped her of an ordinary life. >> reporter: jennifer desen is about to undergo a radical surgery. a radical procedure called deep brain stimulation. >> how you doing? we're almost done. >> she hopes it will cure a mental condition that is taken control of her life. jennifer has severe obsessive compulsive disorder. it first surfaced when she was a young girl. >> i'm going to go to the zoo but nothing's going to be, i'm going to be -- >> reporter: growing up in suburban chicago jennifer said her mind was overwhelmed by numbers. she counted unusual objects. and repeated behaviors. >> i had this thing where if i saw like a stone in a book or passed one i had to count them and have them end on a certain number and also i had to open and close things multiple times to make sure, just to end on a good number or just till it feels right. >> reporter: by the age of 8 jennifer was in therapy and prescribed medication. but throughout

where surgeons are able to implant electrodes into the brain and treat parkinson's disease and tourette's syndrome and or the things. >> like orchestra violinist roger fresct. >> you could only notice his trem when he played the vie -- tremor when he played his violin. >> he implanted the electrodes in his brain to be precisely on target. when the electrodes were turned on his tremor vanished and he was able to play. >> what was that like to light that up in the or? >> it was amazing. when this particular gentleman was a concert master, he had the get the music he perfect. we got that perfect note that he wanted so that was very exciting. >> that was very cool. >> really exciting, very cool. >> dr. lee will now perform a similar surgery on jennifer. he says it's her last hope for a better life. >> when we return, adam may's exclusive look at deep brain stimulation, how it could change the thoughts moods and obsessions of someone like jennifer. >> don't do that. >> later on in the hour, stopping the i.s.i.l. fighters. the u.s. outreach in the region hits a stumbling block. can washington b

he has tourette's disorder. i was snorting them and eating a bunch of them.thing i know, i just -- the next morning, everybody's like, hey. you broke in all these cars and we told you not to, and you brought back all of this stuff. here it is. and i'm like -- ah [ bleep ]. you know? >> though dipiazza has pled not guilty in hopes of reaching a deal with prosecutors, he doesn't deny having committed the crime. >> man, kicking myself in the butt. that's stuff i did when i was a kid. kids break into cars. you know? not adults. i want to be an adult. >> while dipiazza says he wants to abide by the law, he admits his life revolves around another banned activity. gambling. >> break the doors in the day room. i sit there at that poker table all day. >> you all in? call. >> that's my whole day. play poker until lunch. east lunch. lock down an hour. get out. play poker until dinner. >> dipiazza has a gambling problem. but we're trying to work on that. i try to pull him from the table. >> no gambling. >> no gambling? >> no gambling. >> deputy flynn says he'll keep an e