The case is drawing parallels to the case of Trayvon Martin . The shooting death also prompted Westchester County residents to start a `` Network for Police Accountability , '' which calls on the police department to publicize how and when its officers may use deadly force . Kenneth Chamberlain accidentally set off a medical alert system , his family says . Police say they arrested Chamberlain after he came at them with a knife . The family says video and audio evidence prove he was unarmed .
The case is drawing parallels to the case of Trayvon Martin . Kenneth Chamberlain accidentally set off a medical alert system , his family says . Police say they arrested Chamberlain after he came at them with a knife . The family says video and audio evidence prove he was unarmed .