Sandy Hook- The 5 different stories of Barbara Halstead on how the shooter entered the school

The five different stories of Barbara Halstead that describe how the shooter entered the school:

1. In Barbara Halstead's 911 call she stated that she caught a glimpse of a man with a gun.

2. In Barbara Halstead's first statement to police she heard a noise and was going to call the cistodian. She heard the noise again and looked up and the shooter was standing in the hall wearing sun glasses. document 00007937

3. Barbara Halstead told Detective Mudry that she heard a noise and stood up immediately 00039308.

4. Barbara Halstead told Lt Perry that she heard shots from outside and saw an individual approaching the school. She hid under her desk and he came in. (Note - he fired no shots inside the lobby in this statement ?) Then when did Hochsprung, Sherlach and Hammond get shot?- Document 00029067

5.Barbara Halstead told Lt Hofbauer she saw one male approach the school and start shooting at the glass. Document 00025074

And then to cap it all off she said that she hid in a closet for 4 hours with Sally Cox?