( CNN ) -- The Boston-area man who planned to kidnap children , rape and eat them is awaiting sentencing Tuesday and is seeking a prison term of 18 years followed by lifetime supervised release , according to court documents . Geoffrey Portway , 40 , who pleaded guilty in May to distribution and possession of child pornography and solicitation to commit a crime of violence , submitted a document through his attorney to Massachusetts District Court on Friday , providing information to be used in imposing a sentence `` sufficient but not greater than necessary , '' the court document says . The document includes background on the case , cites similar cases , and reasons for why Portway agrees to a term of 18 years , with a maximum of 21 years and 10 months . Such reasons included the contention that he `` never engaged in inappropriate sexual conduct with a minor , '' that Portway will be required to register as a sex offender upon his release , limiting his future employment options , and there was `` no evidence that ( Portway ) ever acted out any of his fantasies . '' Portway , a former computer operator , also agreed to pay $ 10,000 in restitution fees . Ex-PTA president accused of making child porn at elementary school . Federal authorities are recommending that he go to prison for at least 27 years , according to other court documents filed last week . `` Portway has pled guilty to some of the most vile and heinous crimes known to our society , '' federal prosecutors wrote in a sentencing recommendation . But a lawyer for the 40-year-old defendant told CNN his client `` lived in a fantasy world '' and there was no evidence he harmed any child . 'Cannibal cop ' convicted in New York . After his arrest , Portway underwent mental health evaluations requested by his attorney , who referred him to a clinical and forensic psychologist who assessed Portway 's `` risk for re-offending and the degree of danger he posed to the community , '' according to court-filed mental health evaluation documents . The documents describe a troubled childhood . His parents divorced when he was young , and Portman realized he was gay when he was 8 years old but was afraid to reveal it because his father was homophobic , the evaluating psychologist Dr. Eric L. Brown , wrote . Around the same time , according to the evaluation , he became increasingly fascinated with children 's tales such as `` Hansel and Gretel , '' in which two children are caged and fattened up so that a witch can eat them . Pretzel bag leads feds to child porn suspect in California . Portway had a `` wish to be eaten '' that `` fulfilled a more basic desire to be wanted , valued , and incorporated by another person , '' wrote Dr. Brown . When Portway 's home in Worcester was searched last year , authorities found tens of thousands of computer images and videos of child pornography and 4,500 exchanges of child pornography between Portway and the people he chatted with online . The images included children purportedly being cooked and prepared to be eaten , court documents said . Those photographs are sealed . Authorities also found a locked basement , court documents show . Photos taken the day of Portway 's arrest , and released by prosecutors , show a narrow wooden staircase leading downstairs to a soundproof room . It was furnished with a metal cage with a circular hole for feeding , a rusted and worn steel-topped table , as well as multiple kinds of metal bondage equipment . A child-sized coffin made of plywood was found on the floor nearby . Smartphone app hunts for child predators . Portway 's lawyer , Richard J. Sweeney , told CNN that his client 's sentencing hearing will be `` the proper time to address all the issues addressed by the government . '' But he added , `` There 's no evidence at all of Geoffrey being involved with any child or harming any child . '' `` Geoffrey lived in a fantasy world where he did live-action role playing , did things online unrelated to child porn and cannibalism . A lot of the chats that he had were , in his mind , fantasy , '' Sweeney said . `` When they went out to the other people he was talking to , these other people actually had kids they were taking photos of . Geoffrey did not have any kids he had abducted , though he certainly talked about it . '' Photographs reviewed by CNN show handcuffs , rope intended for bondage , bleach , disposable scalpels and syringes , mouth gags , a butcher kit with multiple knives , a child-sized red `` onesie , '' and castration tools . His DVD collection , documents show , included titles such as `` Hansel and Gretel , '' `` The Real Cannibal Holocaust , '' `` The Genesis Children , '' and `` Cannibal Ferox , '' a film with the tagline `` Make them die slowly . '' Online chats , seized by police , showed Portway called his basement a `` dungeon '' where he intended to `` keep kidnapped children while he sexually abused them and as a place to eventually murder and cannibalize the children . '' Florida man linked to 1 million child porn videos , images . CNN 's Deborah Feyerick , Rande Iaboni , Lateef Mungin , Julie Cannold , and Ronni Berke contributed to this report .
Geoffrey Portway pleaded guilty in 2010 to child abuse and solicitation to commit violence . Prosecutors say he intended to kidnap , rape and eat children . His defense lawyer says Portway ` ` lived in a fantasy world '' and did not harm children . Portway is scheduled to be sentenced Tuesday .