First: Two children are shot dead during mass at their Catholic school. How did this happen again? We bring you the outrage, the heartbreak and the search for answers this morning. 

Plus: "Our agency is crumbling." That's the word from inside the CDC as its new director and other key leaders are forced out. 

And: Alligator Alcatraz is nearly empty. The governor says it's because of deportations, but is something else going on? 

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