get your hands on someone
get (one's) hands on (someone)
To touch or grasp someone, often with the threat of violence. Oh, once I get my hands on you, you'll take back what you said!
get your hands on someoneor
lay your hands on someoneINFORMAL
COMMON If you get your hands on someone who has done something wrong or lay your hands on them, you catch them and usually punish them. I'd like to get my hands on the person who did this. That's the most likely explanation, but we can't be sure until we lay our hands on the culprits.