that is thanks to the work of vasser college art professor andrew talon who died in november.new relevance today. >> he will be forever completely linked in my mind. >> reporter: lindsey cook was a colleague at vasser. >> it is the only place where we have that data preserved. the beauty is they can be used in new ways in future generations. >> reporter: in 2015, talon gave a behind the scenes look at how he collected data at the national cathedral in washington. >> what the laser scan actually does is it sends out a beam, so it generates a whole cloud of data points that is extremely rich. >> reporter: professor cook walked us through some of talon's notre dame's points. >> what are we looking at here? >> we're looking at a cross section of the main roof. >> reporter: she said it took him roughly two years to compile images combining his scans with high definition pikctures like these to make his models look as accurate as possible. notre tame's digitally influenced future may find inspiration from a popular video game as well. artists from 2014's assassins creed unity report

lindsay cook was one of his colleagues and former students at vasser. >> it is the only point we haveat data preserved. the beauty is that they can be used in new ways in future generations. >> reporter: in 2015 talon gave a behind the scenes hook at how he collected the data. >> it sends out a beam. >> reporter: professor walked us through some of the notre dame data points. >> we are looking at cross-section of the main roof. >> reporter: it took nearly two years to make his 3d models look as accurate as possible. notre dame's digitally influenced future might find inspiration from 2014 assassin's creed unity spent years modeling the landmark just like talon. >> what do you think the takeaway is from the models? >> it is wonderful to have a digital archive. >> as more states legalize marijuana for recreational use, one study says the pot market will top $13 billion and by 2022, $22 billion. you can smoke it, vape it and even eat it and maybe soon able to drink it. barry petersen got a sip of the goods. >> reporter: when it is the clydesdale, it is about budweiser. when it is the roc

impressed by shyquinn dix's talent and repentance, officer vasser said he'd help him pursue his dreametball in college. did you believe him? >> dix: nah, not at the time. i didn't. >> whitaker: what'd you see in him? >> james vassar: i seen a kid with talent that made a mistake. >> whitaker: for months, vassar called college coaches around the country. slowly, dix started to believe. >> vassar: we still needed to get acceptance into the college. we still needed a judge to approve a sentence modification. >> whitaker: so there are all these other-- >> vassar: steps. but they're longshots, and boy, we were hitting them. ( laughter ) >> whitaker: shyquinn dix could see a way out. festim shyuqeriu was lost. at 22, he was sentenced to 13 years in cheshire for robbing convenience stores and a bank. he told us he was selfish and violent. what's that like, being thrown into the general population in a maximum security prison? >> festim shyuqeriu: it's really scary at first. so, you put on a front and you act like you're tough, and i'm hoping people don't see how scared i am, and just, the mes