I added a few letters I'd forgotten earlier...
C1: What is this?
C2: It's a realit- crime sh-w. We're --ll-wi-- --- --r this i--esti-ati--. Sheri-- -r-mised --ll c---erati--.
C3: We --t that mem-. The-'re 'Hard Crime'.
C2: That's -s. We're the --es wh- --t the --l-s wh- l--- i- the micr-sc--es --der the micr-sc--es.
C3: Ri-ht. --- see, it's ---d -R --r the de-artme-t. Tr- --t t- --st their ch--s --a-?
C2: --- e-er see the sh-w? It's --t a l-t -- --re-sics.
C1: There's t-- ma-- --re-sics sh-ws -- T-.
guessed letters: A,S,L,I,E,D,C,T,M,R,H,W