Quellen:
https://youtu.be/0_E91AOveQ0?si=nAZDPkVk_A2Pn_XN
https://www.cbsnews.com/news/gloria-choi-billy-rickman-washington-murder-captured-on-911-call-48-hours/
https://medium.com/@ajahoule/after-i-reported-him-to-police-in-2019-my-trafficker-murdered-a-woman-in-2022-e280dd7b6ad9
https://www.thenewstribune.com/news/local/crime/article283121678.html