through a third day of deliberations after indicating last night it could be deadlocked. pot per s charged with two counts of manslaughter in the shooting death of 20-year-old duante wright. the former minnesota police officer claims she mistakenly fired her gun, thinking it was her taser, during a traffic stop in april. i just shot him! i grabbed the wrong gun! ( bleep ). i shot him! oh, my god! reporter: the prosecution argued potter, a 26-year veteran, acted recklessly when she killed wright. this was no little oopsy. this was a colossal screw-up. a blunder of epic proportions. reporter: on the stand last week, potter broke down when asked why she didn t help wright after the shooting. you didn t run down the street and try to save duante wright s life, did you? no.