Editing Leopold and Loeb (section)

== Leopold's post-prison years ==
[[File:Confidential Magazine cover June 1958 - Nathan Leopold.jpg|thumb|Nathan Leopold in 1958]]
After 33 years and numerous unsuccessful petitions, Leopold was released on parole on March 13, 1958.<ref>"Leopold, Paroled After 33 Years, Becomes Ill at Shock of Freedom", ''Rochester (NY) Democrat and Chronicle'', March 14, 1958, p.1</ref><ref name="Linder" /><ref name="Freedom" /> The Brethren Service Commission, a [[Church of the Brethren]]-affiliated program, accepted him as a medical technician at its hospital in [[Puerto Rico]]. He expressed his appreciation in an article: "To me the Brethren Service Commission offered the job, the home, and the sponsorship without which a man cannot be paroled. But it gave me so much more than that{{snd}}the companionship, the acceptance, the love which would have rendered a violation of parole almost impossible."<ref>"The Companionship, the Acceptance." ''The Brethren Encyclopedia''. Vol. 2 1983. Print.</ref> He was known as "Nate" to neighbors and co-workers at Castañer General Hospital in [[Adjuntas, Puerto Rico|Adjuntas]], where he worked as a laboratory and X-ray assistant.<ref name="e-mailed comment">{{cite web|url=http://www.law.umkc.edu/faculty/projects/ftrials/leoploeb/leopoldemail.html|title=E-mailed comment|publisher=Law.umkc.edu|access-date=October 29, 2012|url-status=dead|archive-url=https://web.archive.org/web/20110203141623/http://www.law.umkc.edu/faculty/projects/ftrials/leoploeb/leopoldemail.html|archive-date=February 3, 2011}}</ref>

Later in 1958, Leopold attempted to set up the Leopold Foundation, to be funded by [[royalty payment|royalties]] from ''Life Plus 99 Years'', "to aid emotionally disturbed, retarded, or delinquent youths."<ref name="Linder" /><ref name="Freedom" /><ref>''Daily Defender''; May 29, 1958; p9</ref> The State of Illinois voided his charter on grounds that it violated the terms of his parole.<ref>''Chicago Daily Tribune'', July 16, 1958, p. 23</ref>

In 1959, Leopold sought to block production of the [[Compulsion (1959 film)|film version of ''Compulsion'']] on the grounds that Levin's book had [[privacy law|invaded his privacy]], [[defamation|defamed]] him, profited from his life story and "intermingled fact and fiction to such an extent that they were indistinguishable."<ref name="e-mailed comment" /><ref>{{cite court|litigants=Leopold v. Levin, et al.|court=Supreme Court of Illinois|url=http://law2.umkc.edu/faculty/projects/ftrials/leoploeb/LEO_SUIT.HTM|date=1970|access-date=August 1, 2014|archive-url=https://web.archive.org/web/20200320120958/http://law2.umkc.edu/faculty/projects/ftrials/leoploeb/LEO_SUIT.HTM|url-status=live}}</ref> After 11 years and many appeals, the [[Illinois Supreme Court]] ruled against him,<ref>Leopold v. Levin, 259 N.E.2d 250, 255–256 (Ill. 1970); Gertz, supra note 48, at 166.</ref> holding that Leopold, as the confessed perpetrator of the "crime of the century," could not reasonably argue that any book had injured his reputation.<ref name="Larson" /><ref name="e-mailed comment" />

Leopold moved to [[Santurce, San Juan, Puerto Rico|Santurce]] and married a widowed florist, Gertrude (Feldman) García de Quevedo, on February 5, 1961. Judge Ángel M. Umpierre presided over the wedding at a civil ceremony, which was held at the Brethren Service Project in Castañer, Puerto Rico.<ref name="Linder" /><ref name="Freedom" /> Despite his marriage, Leopold had many gay relationships in Puerto Rico, some continuing from those which he started in prison, and he enjoyed frequenting gay bars and male prostitutes.<ref>Rebain (2023), pp. 243-244</ref> He also continued to commit crimes, though he was never caught or prosecuted, including offenses of statutory rape and charity fraud.<ref>Rebain (2023), p. 235</ref>

Leopold earned a master's degree at the [[University of Puerto Rico]]. He became a researcher in the Social Service Program of Puerto Rico's Department of Health. He also worked for an urban renewal and housing agency, and he conducted studies on [[leprosy]] at the [[University of Puerto Rico School of Medicine]].<ref>Higdon (1975), p. 332</ref>

Leopold was an active member of the Natural History Society of Puerto Rico, he traveled throughout the island to observe [[List of birds of Puerto Rico|its birdlife]]. In 1963, he published ''Checklist of Birds of Puerto Rico and the Virgin Islands''.<ref>{{cite book|first=Nathan Jr.|last=Leopold|title=Checklist of Birds of Puerto Rico and the Virgin Islands|date=1963|publisher=University of Puerto Rico Agricultural Experiment Station|asin=B006D31YB2}}</ref> While he spoke about his intention to write a book about his life since his release from prison, which he titled ''Reach for a Halo'', he never completed it.<ref>Higdon (1975), p. 361</ref>

Leopold died of a [[diabetes]]-related [[Myocardial infarction|heart attack]] on August 29, 1971, at the age of 66.<ref name="Linder" /><ref name="Freedom" />