Police officer Zach Hudson often saw senior citizens vulnerable and victimized . He said he was shocked to see the video of a man being beaten by three officers in front of his home on July 28. The house calls provide specialized service that police , fire departments usually ca n't . Do you know a hero ? `` ( This ) is an opportunity for me to embrace the very people that embraced me growing up . Nominations are open for 2012 CNN Heroes .
Police officer Zach Hudson often saw senior citizens vulnerable and victimized . He said he was shocked to see the video of a man being beaten by three officers in front of his home on July 28. The house calls provide specialized service that police , fire departments usually ca n't . Do you know a hero ? Nominations are open for 2012 CNN Heroes .