A Los Angeles native, Katherine Mader began a career in law as an Assistant Public Defender in Sacramento County, California. During nine years in private practice she represented numerous accused ...ver maisA Los Angeles native, Katherine Mader began a career in law as an Assistant Public Defender in Sacramento County, California. During nine years in private practice she represented numerous accused murderers, most notably Angelo Buono, who was convicted of nine murders in 1983 and labeled as one of the "Hillside Stranglers." She then became a Deputy Los Angeles County District Attorney and subsequently served as the LAPD’s first Inspector General.ver menos