Why would they use their real phone? Maybe they even have it on silent but girlie I would just give up atp. Your social status is legit rock bottom. It's best to just lay low.
UXLZ remember anime and manhwa's all cops aside if they have MCs active brain, they are useless in all kind of scenario.
it made me think of the "Thaï kid story" for how useless cops are.
but for the reason M was even there ? welp easy blackmail and put some humility in her head even tho her dad need some too to reduces that vegeta ego level down.