in control of

in control of (someone or something)

1. In charge of someone or something; possessing the final authority in a hierarchy or situation. Who's in control here? I want to talk to the ranking officer.
2. Having mastery of something. Your mother would often panic when she first learned to drive, but now she is completely in control of her emotions behind the wheel.
See also: control, of
Farlex Dictionary of Idioms.

in control of someone or something

 
1. in charge of someone or something. Who is in control of this place? I am not in control of her. She works for another department.
2. to have someone or something mastered or subdued; to have achieved management of someone or something. You should be in control of your dog at all times. The attendant was instructed to be in control of his patient at all times.
See also: control, of
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • in control of (someone or something)
  • in control
  • be in control
  • a dog in the manger
  • dog in the manger
  • chain of command
  • second best
  • be (one's) man/woman
  • be somebody's man/woman
  • from on high
References in periodicals archive
Thus, though the images indicate that the gun-wielding Border Patrol commandos are in control of the situation and are terrifying the child, that is a misperception.