- How the hell was I supposed to know he was gonna vapor-lock?
- But you hoped he would.

6 seconds sound clip from the Sudden Impact (1983) movie soundboard.

You can hear this line at 00:21:43 in the Blu-ray version of the movie.

Quote context

[...]

- In more than 30 years of police work, this is the single most outrageous transgression of authority I ever heard about.

- What the hell did you think you were doing?

- My job.

- Is it your job to harass and incite an old man into a heart attack?

- My job is to investigate homicide.

- That old man happens to be one of the biggest crime lords on the West Coast.

- How the hell was I supposed to know he was gonna vapor-lock?

- But you hoped he would.

- The Doker case is mine. It was at a standstill. I was trying to break it loose.

- Sure, with threats and intimidation.

- Any way possible.

- Are you aware that you have destroyed months of surveillance and intelligence work?

- We're talking here thousands of dollars, hundreds of man-hours.

[...]