. >> reporter: tyrese davis says growing up in baltimore the messaging was clear.ecome a cop if you're black or a minority. he's the first in his family to go to college, paying for it and the police academy himself. he works full-time on the night shift. >> i work sunday through thursday 11:00 p.m. to >> reporter: it's a grind with a goal. >> the bad officers and what they do really can affect what i can do because now i've got to push harder. everybody's looking at me sideways because of the wrongful stops and wrongful killings. a lot of the killings that officers do could have been prevented if you just de-escalate the situation. it don't got to get that far. >> reporter: with just a few weeks to go before final exams, the pressure is on for all the recruits to go hard or go home. >> now it's like the jitters. >> reporter: coming up, the big day arrives. will it be a pass or fail? >> i'm so nervous. >> reporter: and will all nine recruits graduate? s evs survived the north pole? ♪ and one can go 0-60 in 2.8 seconds... ♪ and they're all emission free. but don't g