guilty as charged
US /ˈɡɪl.ti æz tʃɑːrdʒd/
UK /ˈɡɪl.ti æz tʃɑːrdʒd/

1.
admitting that one is responsible for something, often something bad or mischievous, that one has been accused of
:
•
“Did you eat the last cookie?” “Guilty as charged.”
•
I admit, I took an extra slice of pizza. Guilty as charged!