Deputy First Minister Mark Durkan condemned the murder and said it was a senseless act.

BBC: Man dies in shooting

As it turns out, because of a senseless and barbaric act, Luis is going back to Mexico after all -- for burial.

CNN: Commentary: Killing of immigrant a senseless, barbaric act

Five backbenchers have signed a Commons motion, describing the act as "senseless destruction".

BBC: Emperor

"That this senseless act of violence should be targeted at a place of religious worship is particularly painful, " Singh, himself a Sikh, said.

CNN: STORY HIGHLIGHTS

No one can know for certain if this senseless act could have been prevented, but we all know we have a moral obligation -- a moral obligation -- to do everything in our power to diminish the prospect that something like this could happen again.

WHITEHOUSE: President Obama Introduces a Plan to Reduce Gun Violence