So she shot someone where she used to work, but I haven't figured out how the other three people come into it.
Then she Ubers to the airport.
Forgets to change the shirt.
Now in the pokee. The strain must've gotten her, or the hubris of having gotten away.
Perhaps, she shot the individuals at the condo management office responsible for assisting in breaking into her condo. Then shot the person that committed the fraud, Wesley Freeman, or the one that covered it up, Scott Meier.