In Orberg: LLPSI is scribit:
Ita repente interrogatus Medus 'se pecuniam e sacculo domini surripuisse' confitetur.
I'm not sure what Ita repente is referring to. I'm taking it that the whole sentence means: Medus immediately replied thus (Ita).... or, more literally: In this way immediately upon being asked Medus confessed.....'