In which case, the cell phone records will show the disconnect time as just after the start of the fight. And she better hope all that is consistent with the 911 timeline.
Remember, we haven’t heard from “the girlfriend” on the pone directly.
After reading the info on “DeeDee” linked above, I bet we never will.
Crump seems to have been very creative in making sure that there was pressure for an arrest. He needs an arrest and a trail to launch a civil suit, not a conviction.