flagrante delicto

Also in flagrante delicto,

[fluh-gran-tee di-lik-toh]

adverb

1. Law.,  in the very act of committing the offense.

2. while having illicit sex with someone.

flagrante delicto

/ fləˈɡræntɪ dɪˈlɪktəʊ /

adverb

1. See in flagrante delicto

Word History and Origins

Origin of flagrante delicto¹

From Latin: literally, “while the offense is (still) burning”