Warnings Taser News Today

Tonight, key testimony about taser training in the trial of the police officer who shot and killed daunte wright. the jury learning today that kim potter had stellar markings in her training. veteran officer said she meant to use her taser, not her gun. josh campbell is out front. >> taser, taser, taser! >> reporter: what was then officer kim potter considering in these tense moments with daunte wright? >> i shot him. oh, my god. >> and what influenced her to draw any weapon at all? those are th...