{"id":51759,"date":"2025-11-13T20:31:08","date_gmt":"2025-11-13T20:31:08","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-ca\/51759\/"},"modified":"2025-11-13T20:31:08","modified_gmt":"2025-11-13T20:31:08","slug":"colorado-man-convicted-in-san-francisco-1978-cold-case-murder-of-teen-girl-from-new-york","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-ca\/51759\/","title":{"rendered":"Colorado man convicted in San Francisco 1978 cold case murder of teen girl from New York"},"content":{"rendered":"<p>An 80-year-old Colorado man was convicted in the 1978 cold case murder in San Francisco of a teenage girl visiting the city from New York, authorities announced Thursday.<\/p>\n<p>Mark Stanley Personette of Jefferson County was convicted of first-degree murder for the killing of 15-year-old Marissa Rolf Harvey, who disappeared on March 27, 1978, after going to San Francisco&#8217;s Golden Gate Park for an afternoon of horseback riding.\u00a0<\/p>\n<p>Harvey, who was in the city from Queens to visit her sister for Easter, never returned to her sister&#8217;s house. The next day, her body was found nearby in Sutro Heights Park by surfers walking through the area. She had been sexually assaulted and strangled, police said.<\/p>\n<p>      <img decoding=\"async\" src=\"https:\/\/www.newsbeep.com\/us-ca\/wp-content\/uploads\/2025\/11\/harveypic.jpg#.jpeg\" alt=\"harveypic.jpg \" height=\"349\" width=\"620\" class=\" lazyload\"  loading=\"lazy\"\/><\/p>\n<p>                  Marissa Rolf Harvey, 15, was slain in 1978 in San Francisco.<\/p>\n<p>                Family photo via San Francisco Police Department<\/p>\n<p>&#8220;At long last, justice has been delivered, and Mr. Personette is being held accountable for this horrific crime,&#8221; said District Attorney Brooke Jenkins in a prepared statement. &#8220;I would like to thank the survivor and the victim&#8217;s family for never losing hope and remaining steadfast in their commitment to seeing justice done. Although nothing we do can bring the victim back, I pray this verdict gives the family a sense of closure and inspires others who are still waiting for justice not to lose hope.&#8221;\u00a0<\/p>\n<p>In the early 2000s, early DNA testing showed a male DNA profile on the victim&#8217;s sweater and jeans, as well as on a piece of dried gum stuck to her back. However, San Francisco police said that while its homicide unit exhausted every lead, the case went cold.<\/p>\n<p>In October 2020, the department&#8217;s homicide cold-case unit reopened the case, using advanced DNA testing, and in 2021, through investigative genealogy, Personette was identified as a potential suspect and placed under surveillance, the DA&#8217;s Office said in a press release. FBI investigators saw him discarding trash in a Walmart parking lot over 15 miles from his house, and the trash included only personal hygiene items with his DNA, according to the office.\u00a0<\/p>\n<p>      <img decoding=\"async\" src=\"https:\/\/www.newsbeep.com\/us-ca\/wp-content\/uploads\/2025\/11\/Mark-Stanley-Personette-for-web.png#.png\" alt=\"Mark-Stanley-Personette-for-web.png \" height=\"349\" width=\"620\" class=\" lazyload\"  loading=\"lazy\"\/><\/p>\n<p>                  Mark Stanley Personette<\/p>\n<p>                Jefferson County Sheriff&#8217;s Office<\/p>\n<p>Personette&#8217;s home was searched, and it was determined that he was separating his personal hygiene items from his other trash. Investigators also found 1970s maps of San Francisco and a set of California license plates with a 1979 registration sticker, even though he denied to investigators that he had been in San Francisco, the DA&#8217;s Office said. \u00a0<\/p>\n<p>A subsequent DNA test confirmed that Personette&#8217;s DNA was on the victim&#8217;s sweater and jeans, and the piece of dried gum, prosecutors said. During the subsequent trial, another victim testified that in 1979, Personette raped her in a wooded area of New Jersey when she was 16 years old.<\/p>\n<p>&#8220;This case shows that time cannot thwart justice,&#8221; said Assistant District Attorney Heather Trevisan in a prepared statement. &#8220;I have not seen, in 25 years, more people willing to sacrifice their time and personal comfort to do their duty. I am proud to have prosecuted this case alongside a dedicated team who worked tirelessly to ensure justice was done and that we honored the survivor and the victim&#8217;s family who put their faith and trust in us.&#8221;\u00a0<\/p>\n<p>Personette faces seven years to life in prison, and his sentencing was scheduled for December 17.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"An 80-year-old Colorado man was convicted in the 1978 cold case murder in San Francisco of a teenage&hellip;\n","protected":false},"author":2,"featured_media":51760,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[25599,551,33003,1331,4694,2367,101,103,102,2531,104,106,105],"class_list":["post-51759","post","type-post","status-publish","format-standard","has-post-thumbnail","category-san-francisco","tag-cold-case","tag-colorado","tag-jefferson-county","tag-murder","tag-new-york","tag-queens","tag-san-francisco","tag-san-francisco-headlines","tag-san-francisco-news","tag-sexual-assault","tag-sf","tag-sf-headlines","tag-sf-news"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/51759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/comments?post=51759"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/51759\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media\/51760"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media?parent=51759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/categories?post=51759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/tags?post=51759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}