No sperm. Your killer's shooting blanks. His semen tested positively, but it doesn't have any sperm in it.

8 seconds sound clip from the Cruising movie soundboard.

You can hear this line at 00:12:54 in the Blu-ray version of the movie.

Quote context

[...]

- Please. Please. Please. Please.

- You made me do that.

- Anus was dilated at the time of death, slight rupture above the anus indicating intercourse.

- We found semen, but I can't identify it.

- What do you mean?

- Aspermia.

- In English.

- No sperm. Your killer's shooting blanks. His semen tested positively, but it doesn't have any sperm in it.

- Why not?

- Well, maybe he has some physical aberration or a malfunction.

- Could be his testes are infected, maybe he had a vasectomy.

- What else?

- Well, this first wound here, that's clean, which means he never knew it was coming. But this one and these, they're defensive, which means he tried to resist.

[...]