The police found him disingenuous as he says in his video and according to the dictionary, adjective- not candid or sincere, typically by pretending that one knows less about something than one really does.
"this journalist was being somewhat disingenuous as well as cynical"
synonyms:dishonest, deceitful, underhand, underhanded, duplicitous, double-dealing, two-faced, dissembling, insincere, false, lying, untruthful, mendacious;
But then the whole thing can be summed up by meme that is doing the round:
