🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiSvenska中文日本語EntityQ928926· pop 5· linked from 48 articlesLonely Hearts KillersAlso known as Raymond Fernandez and Martha Beck, Raymond Martinez FernandezAmerican serial killer coupleAvailable in 5 languagesEspañolFrançaisDeutschGreekvia Wikidata sitelinks · CC0Connectionselectric chairEntitySing SingEntityCategories1951 deaths20th-century American murderers20th-century executions by New York (state)20th-century executions of American peopleAmerican murderers of childrenCriminal couplesExecuted American serial killersExecuted people from New York (state)Inmates of Sing SingPeople convicted of murder by New York (state)People executed by New York (state) by electric chair