article_snippet.sent: Here are the big questions surrounding this explosive case: .
article_snippet.sent: So, we still have questions," she said.
article_snippet.sent: What can be seen on the released video .
article_snippet.sent: That was at 8:54 a.m.
article_snippet.sent: It's unclear what happened between 8:54 a.m. and 9:24 a.m.
article_snippet.sent: CNN's AnneClaire Stapleton, Stephanie Gallman and Eliott C. McLaughlin, Dana Ford and Ben Brumfield contributed to this report.