Garrido at his home , sometimes unannounced , twice a month . Garrido was also required to go to the agent 's office once or twice a month , Hinkle said . Garrido wore a GPS anklet , and his movements were tracked passively , Hinkle said , meaning parole officers checked his location after the fact , as opposed to active monitoring , which involves watching parolees ' comings and goings in real time . Despite the tight supervision , Garrido `` was technically allowed to be around minors , '' Coombs said , because his parole stemmed from the November 1976 rape of Katie Callaway Hall , who was 25 at the time of the assault . He was sentenced in 1977 to 50 years at the federal penitentiary in Leavenworth , Kansas , for kidnapping , because he abducted Hall in California and transported her across the state line to Reno , Nevada , where he raped her in a warehouse , according to court documents . A Nevada court separately sentenced him to five years to life for the rape conviction , the Reno Gazette-Journal reported . While in prison in 1978 , Garrido sent a
-LRB- CNN -RRB- -- Phillip Garrido was registered as a sex offender , regularly visited by parole officers and fitted with an ankle bracelet to track his movements -- but nothing prevented him from being around children , according to a victims ' advocacy group . Phillip Garrido , a registered sex offender , was arraigned in California on Friday . Garrido is charged with kidnapping Jaycee Lee Dugard in 1991 , when she was 11 , and raping her over the course of years . Police say Dugard lived in a huddle of tents and outbuildings hidden behind Garrido 's home , and gave birth to two daughters , now 11 and 15 , fathered by Garrido . Garrido and his wife Nancy were arrested last week . Both have pleaded not guilty . `` Here we have a guy who is essentially under every kind of supervision we allow . Law enforcement had every tool available to them , and -LSB- the tools -RSB- failed , '' said Robert Coombs , spokesman for the California Coalition Against Sexual Assault . Gordon Hinkle , spokesman for the state Department of Corrections and Rehabilitation , said a parole officer visited