Unsolved: The Abduction of Margaret Ellen Fox

Sources:
https://www.fbi.gov/wanted/kidnap/margaret-ellen-fox
http://charleyproject.org/case/margaret-ellen-fox
https://www.courierpostonline.com/story/news/local/south-jersey/2019/06/24/fbi-offers-reward-releases-evidence-solve-burlington-nj-cold-case-margaret-ellen-fox/1538430001/
https://www.inquirer.com/news/new-jersey/margaret-fox-disappearance-burlington-new-jersey-fbi-20190624.html
https://www.burlingtoncountytimes.com/news/20190624/fbi-announces-reward-releases-recording-in-margaret-fox-case
https://www.nj.com/news/2019/06/eerie-line-from-missing-teens-ransom-call-10000-might-be-a-lot-of-bread-but-your-daughters-life-is-the-buttered-topping.html
https://www.reddit.com/r/UnresolvedMysteries/comments/d96601/in_1974_14yearold_margaret_ellen_fox_vanishes_on/
https://www.newspapers.com/clip/55318323/margaret-ellen-fox/
https://www.newspapers.com/clip/23360658/courier-post/
https://www.newspapers.com/image/181287787/?terms=margaret%2Bfox%2Bransom
https://courierpostonline.newspapers.com/image/181360788/?terms=%22margaret%2Bfox%22
https://www.newspapers.com/image/172299091/?terms=margaret%2Bellen%2Bfox
https://www.newspapers.com/image/172986033/?terms=charles%2Bm.%2Bclobridge
https://www.newspapers.com/image/518147967/?terms=charles%2Bm.%2Bclobridge
https://www.newspapers.com/image/531534537/?terms=margaret%2Bellen%2Bfox%2Bransom
https://www.newspapers.com/image/?clipping_id=33317667&fcfToken=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmcmVlLXZpZXctaWQiOjE4MTM2MDc4OCwiaWF0IjoxNTk3NjgyMjMxLCJleHAiOjE1OTc3Njg2MzF9.xjyJDMIvKYeKy5nSnNlSYt7HY_og9JODxudPtLMBd6k
https://www.youtube.com/watch?v=b7LDnnEXBJs
https://www.youtube.com/watch?v=GEVbust7dRQ
https://www.youtube.com/watch?v=QGx-5d_Gbas
https://www.youtube.com/watch?v=JwuiDJSsC8o
https://www.storyblocks.com/audio/stock/evidence-slkfbyetuvbk0wybyxy.html
https://www.storyblocks.com/audio/stock/desolate-hgxxk3k68drk0wyb45b.html
https://www.storyblocks.com/audio/stock/betrayed-full-repgbts2udhk0wxo1uw.html