Susan Gehrke GoFundMe: Tucson grandmother who survived cancer twice dies after attack by felon, ‘A beacon of light’: Susan Gehrke, 61, a Tucson grandmother who beat cancer twice, died after an alleged attack by a felon outside her apartment complex, authorities said #SusanGehrke #GoFundMe #Tucson #GoFundMeCampaign #CancerSurvivor