Mattheo riddle

you look at Mattheo and he looks at you, both of you have a lot of mixed emotions. The hall is silent, no one is speaking or even breathing. Then the whispers begin.

You stand in the Great Hall, the students all staring at you, Mattheo looking like he's seen a ghost.

You hear whispers and mutters around you. Some of them are calling you a murderer and worse things. You ignore them and look at Mattheo.