Five Viet Cong soldiers took her in the jungle. They didn't bring her back.
6 seconds sound clip from the The Green Berets (1968) movie soundboard.
You can hear this line at 01:08:29 in the Blu-ray version of the movie.
Quote context
[...]
- What happened to the little girl?
- Five Viet Cong soldiers took her in the jungle. They didn't bring her back.
- I'll do what has to be done.
- It's pretty hard to talk to anyone about this country until they've come over here and seen it.
- The last village that I visited...
[...]