williams, thanks. this year, we have been following one man's struggle to overcome his addiction to heroin. each day in this country, 78 people die from an opiod- d-lated overdose. so jason amaral is fighting for his life. tonight, demarco morgan and producer jonathan blakely continue their series, "in the shadow of death: jason's journey." >> real quick, is this good enough? epur eyes open, you think about heroin, nothing else, nothing else. and any addict that's watching this will, like, will attest to that. >> reporter: we met jason amaral 2 march 22, the day before he .tarted rehab. he was roaming the city of boston on a desperate hunt for drugs. >> it's not how i want to live but i keep-- it's been 12 years and i keep going back to it. it's not what i want to keep doing. >> reporter: that morning, we watched as he crushed and snorted pills from a toilet seat le city hall, scored some drugs ittside a restaurant around noon-- >> i just did some heroin and i was sick and now i just did a shot and i'm very, very high. >> reporter: ...and by that evening, ended up at a friend's 'suse, shooting up again. >> it gets boring. it gets old. it gets tiring. >> reporter: that ni