Just insufficient interest. I guess the kid didn't want it badly enough.
5 seconds sound clip from the Kojak - Season 1, Ep. 5 - Girl in the River movie soundboard.
You can hear this line at 00:27:39 in the DVD version of the movie.
Quote context
[...]
- Heard about Tom on the radio. You handling it?
- Yeah. I'll need your help, Dobie.
- Well, I want some information on Tom's son, Jack.
- Why'd he drop out of the academy?
- Just insufficient interest. I guess the kid didn't want it badly enough.
- I got a dead cop on my hands.
- He's a friend of yours and he's a friend of mine.
- Now, both Tom's wife and Geno told me he was a changed man after it happened. Why?
- What'd you expect? An only son. He always wanted that kid to be a cop. It's natural he was shook.
- Shook? Okay. But six months later, and Tom Donnelly never came unshook.
[...]