uvalde. how school security roundup in the wake of previous mass murders continue to fail and why all of us are concerns about margins keep getting ignored. and as the architects of america s gun crisis meet at the nra convention going all about the potential for congress. why only in the your country, why isn t only in america? why is this exceptionalism so awful? when all in starts right now. . good evening from new york, i m chris hayes what we know happened at ramallah matthew school in uvalde texas is that 90 children and two teachers were shot and killed. they were murdered by an 18-year-old who purchased two weapons as soon as he was legally able. right after his 18th birthday. there s a lot we do not know. in particular, about the timeline of just what happened on tuesday. they re a lot of outstanding questions about when the police arrived at the scene, how long the shooter was in the building, how long it was before he went into the building, what officer did, o
uvalde. how school security roundup in the wake of previous mass murders continue to fail and why all of us are concerns about margins keep getting ignored. and as the architects of america s gun crisis meet at the nra convention going all about the potential for congress. why only in the your country, why isn t only in america? why is this exceptionalism so awful? when all in starts right now. . good evening from new york, i m chris hayes what we know happened at ramallah matthew school in uvalde texas is that 90 children and two teachers were shot and killed. they were murdered by an 18-year-old who purchased two weapons as soon as he was legally able. right after his 18th birthday. there s a lot we do not know. in particular, about the timeline of just what happened on tuesday.