dr. greg hampikian who spreads his infectious enthusiasm at boise state university. work is not all done in the classroom. in fact, his own path changed back in 2004 when he was asked to test some dna that eventually led to an innocent man being freed from prison in georgia. the doctor wrote a book and just like that the doctor found a new calling. he is now in high demand. in tween, he was part of the team credited with freeing amanda knox. and in his spare time, he is founder and director of idaho's innocence project. >> it's an unfortunate thing that our name is innocence. honestly, i've worked on 13 exonerations now, four of the ones in georgia, they found the actual perpetrator, to those four guys i'm the guilty project. >> so now the coincidence you just couldn't make up. the very week carol left a phon for help, idaho's innocence project had just taken on a new case -- the case of the man convicted of killing carol's daughter. christopher tapp. the doctor called carol back. >> her words to me, i'll never forget, i just want to know what happened to my daughter

dr. greg hampikian who spreads his infectious enthusiasm at boise state university.ll done in the classroom. in fact, his own path changed back in 2004 when he was asked to test some dna that eventually led to an innocent man being freed from prison in georgia. the doctor wrote a book and just like that the doctor found a new calling. he is now in high demand. in tween, he was part of the team credited with freeing amanda knox. that american college student in for prison in italy. and in his spare time, he is founder and director of idaho's innocence project. >> it's an unfortunate thing that our name is innocence. honestly, i've worked on 13 exonerations now, four of the ones in georgia, they found the actual perpetrator, to those four guys i'm the guilty project. >> so now the coincidence you just couldn't make up. the very week carol left a phone message for the doctor asking for help, idaho's innocence project had just taken on a new case -- the case of the man convicted of killing carol's daughter. christopher tapp. the doctor called carol back. >> her words to

dr. greg hampikian, a fruit fly geneticist who spreads his infectious enthusiasm at boise state universitywork is not all done in the classroom. in fact, his own path changed back in 2004 when he was asked to test some dna that eventually led to an innocent man being freed from prison in georgia. the doctor wrote a book and just like that the doctor found a new calling. he is now in high demand. in 2011, he was part of the team credited with freeing amanda knox, the american college student accused of murder in italy. and in his spare time, he is founder and director of idaho's innocence project. >> it's an unfortunate thing that our name is innocence. honestly, i've worked on 13 exonerations now. four of the ones in georgia, they found the actual perpetrator, to those four guys i'm the guilty project. >> so now, the coincidence you just couldn't make up. the very week carol left a phone message for the doctor asking for help, idaho's innocence project had just taken on a new case -- the case of the man convicted of killing carol's daughter, christopher tapp. the doctor called carol back.