Yes! In the house behind the motel!
4 seconds sound clip from the Psycho (1960) movie soundboard.
You can hear this line at 01:24:50 in the Blu-ray version of the movie.
Quote context
[...]
- Strychnine. Ugly way to die.
- Norman found them dead together. In bed.
- You mean that old woman I saw sitting in the window out there wasn't Bates' mother?
- Now, wait a minute, Sam. Are you sure you saw an old woman?
- Yes! In the house behind the motel!
- I called and pounded but she just ignored me!
- You want to tell me you saw Norman Bates' mother?
- But it had to be because Arbogast said so, too!
- And the young man wouldn't let him see her because she was too ill.
- Well, if the woman up there is Mrs. Bates, who's that woman buried out in Green Lawn Cemetery?
[...]