"trained on them"

[jctgf]

" 'We went to almost comical lengths to keep the story a secret,' Carter said. 'That included allowing only the key crew members to read the script, and they had to read it in a room that had video cameras trained on them. It was a new experience.' "

Hi there,
What does the underlined text mean, please? "Watching them"?
Thanks

[RedMtl]

" 'We went to almost comical lengths to keep the story a secret,' Carter said. 'That included allowing only the key crew members to read the script, and they had to read it in a room that had video cameras trained on them. It was a new experience.' "

Hi there,
What does the underlined text mean, please? "Watching them"?
Thanks

Yes, to "train something on someone" is to aim it at the person. So, cameras trained on people are cameras which are watching (and following) people.