Jenna Griggs describes being on the phone with Alexa Bartell when she died

Jenna Griggs took the stand during a trial about the death of her girlfriend, Alexa Bartell. Griggs was on the phone with Bartell when suddenly the call dropped. After numerous attempts to get back in touch with Bartell, Griggs followed her location on Find My Friends and discovered Bartell's car in a field with a hole through the front and back windshields. Bartell was tragically pronounced dead.