अनिगृहीते सिद्धव्यञ्जनं रात्रौ तीक्ष्णाः प्रवासयेयुः ॥ कZ_११.१.४७ ॥
anigṛhīte siddhavyañjanaṃ rātrau tīkṣṇāḥ pravāsayeyuḥ
If he is not restrained, the sharp agents should, by night, remove/relocate the planted informer to safety.
The accusation may backfire; the informer becomes exposed and must be extracted to prevent interrogation, retaliation, or compromise of the wider operation.