jessica tyler approached james and asked her to sit down and explained in a 911 call. >> i asked herkneel down for a second so i could get a picture of my niece. and she turned around and said no i ain't sitting down. >> reporter: while returning to her seat, tyler knocks over james 3-year-old daughter. watch it again in slow motion. tyler told police it was an accident. >> once you knock my baby over, like i said, i just snapped and she did not say i'm sorry. >> reporter: james admits she followed tyler back to her seat and put her hands on the other mother's throat, although she claims tyler shoved her first. now james is worried this altercation will cost her her job at a hospital. >> how will i be able to take care of my children because of a split second. when i tell you i'm sorry, i am so sorry, but i was sorry right after i did it. >> if convicted james could face up to a year behind bars, as for the other mother, police have forwarded the case to the state's attorney's office. >>> and a car crashing in mesa arizona. two women were pinned under the run away suv and another wom