They could have been calling out for her (audibly) or they may have been in contact with her via cell phone and/or text.
If any of the scenarios being discussed here on the thread currently are true, it would have been logical for her to do so.
Also, if there were other firearms within the home, we don't know whether or not she was armed at the time herself. Her state of mind is unknown, and she certainly could have been in Mama Bear mode.
Phone records of all the M's (including the land line) will help to she light on how this occurred. Again, very much we still don't know.
:moo:
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