Responses
Because she tells him absolutely nothing and he is now in a bit of shock seeing something he definitely did not expect? Cut the guy some slack it's not like she's actually that trustworthy.
I know they have trust issues, still doesn't indicate why he would jump to assasssination instead of asking why or how do they know each other.
ML is asking the wrong questions and jumping hoops just because he can.
To read malice into his reaction is psychotic.
"Tell me you didn't kill my father" and not a "how do you know my father". Why do you automatically assume she killed him?