June 21, 2010
BART train operator Keecha Williams contradicted much of the testimony of former officer Pirone by stating that he never asked her if any of the young men he detained were involved in the fight, that he never asked her who she thought was involved and that she did not state that the young men placed against the concrete wall were the ones involved in the fight.
June 17, 2010
Mehserle is not the only former officer whose actions that morning have been described as being out of line. All five of the previous week’s witnesses who video-recorded the events of Jan. 1, 2009, say they did so because of Pirone’s actions, which included cursing and an excessive use of force.