Sandra Coke investigated the cases of death row inmates trying to appeal their sentences.  She was an extremely happy, trusting and inspiring person. These wonderful qualities may have gotten her killed.

Sources:

https://sanfrancisco.cbslocal.com/tag/sandra-coke/

http://www.tributes.com/obituary/show/Sandra-R.-Coke-96349977

https://www.timesheraldonline.com/2015/03/18/timeline-randy-alanas-troubled-past-and-sandra-cokes-slaying/

https://heavy.com/news/2013/08/randy-alana-sandra-coke-sex-offender/

http://jimfishertruecrime.blogspot.com/2013/08/did-randy-alana-murder-sandra-coke.html

https://www.thereporter.com/2015/03/19/best-friend-says-sandra-coke-planned-to-sever-all-ties-to-her-accused-killer/

https://www.meganslaw.ca.gov

https://eji.org/news/eji-remembers-sandra-coke/

https://www.nbcbayarea.com/news/local/sandra-coke/1958490/

https://www.nbcbayarea.com/news/local/sandra-coke/1958490/

https://www.eastbaytimes.com/2015/03/25/witness-says-she-smoked-crack-with-randy-alana-the-night-sandra-coke-went-missing/

https://sandracoke.wordpress.com/donate/

https://www.sfgate.com/crime/article/Judge-slams-killer-as-black-hole-while-6335749.php

https://en.wikipedia.org/wiki/Megan%27s_Law