It's not illegal to say you believe Brian Robert Thompson deserved to die. Hell, you could, perfectly legally, file paperwork to hold a parade in Luigi's honor, right through the heart of DC. It's illegal to make death threats, but it's perfectly legal to express support for someone being killed.
Alternatively, keeping your real opinions close in a hostel climate means you have more freedom to act on it. There's a reason that revolutions are planned out of sight of the authorities.
Also, the executive branch does not make or enforce legislation.
If only Trump knew that. Well, his advisors know that and packed the courts.
Exactly. The question should have been, "did the CEO deserve to die?" It was likely, "was the killing acceptable?" It's perfectly possible to believe the bastard had it coming without thinking one person has the right to be judge, jury, and executioner.