Every single word of that is true. It is exactly what should be said.
So, would it be better if they held a trial and then killed them?
Does anyone believe that their innocence or otherwise has anything to do with them being killed?
Are there circumstances that make you think that the killing of children is OK?
It's at least a non-sequitur, possibly self-aggrandising yellow journalism and at worst it could be taken as a start at justification.
Sentences like these give me the creeps.
This happens all the time in the media and politics, and often involves deliberately uncharitable interpretations of what was said.
https://unherd.com/2018/09/insincere-politicians-cheapening-...
Using hackneyed phrases cheapens the reaction.