https://www.ksdk.com/article/news/investigations/gary-muehlberg-package-serial-killer-st-louis-county-guilty-plea-sentenced-life/63-3097052e-764c-4804-b85b-8ccbc1d41e13

https://www.stlpr.org/show/st-louis-on-the-air/2022-09-23/how-gary-muehlberg-was-revealed-as-st-louis-package-killer

https://www.riverfronttimes.com/news/serial-killer-gary-muehlberg-probably-knows-more-than-hes-saying-40899375

https://www.beltstl.com/cherokee-street-evolution/

https://www.riverfronttimes.com/news/where-the-boys-are-2461549

https://www.newspapers.com/image/141265654/?match=1&terms=Robyn%20Mihan

https://www.newspapers.com/image/141265468/?match=1&terms=Robyn%20Mihan

https://www.newspapers.com/image/141265495/?terms=Robyn%20Mihan

https://www.newspapers.com/image/139945095/?article=9f675c0e-77d8-4029-aedb-a0eb2fa1c7e4&terms=Robyn%20Mihan

https://www.newspapers.com/image/139943306/?match=1&terms=Robyn%20Mihan

https://majorcasesquadstl.squarespace.com/investigations/1991/report-194

https://www.newspapers.com/image/141226514/?match=1&terms=Brenda%20Pruitt

https://www.riverfronttimes.com/news/serial-killer-gary-muehlberg-faces-his-victims-family-in-court-39604560

https://www.riverfronttimes.com/news/st-louis-county-prosecutor-stopped-a-serial-killer-and-didnt-even-know-it-39717945

https://www.riverfronttimes.com/news/serial-killer-gary-muehlberg-pleads-guilty-to-first-known-slaying-39769901

https://www.riverfronttimes.com/news/how-notorious-serial-killer-gary-muehlberg-terrorized-st-louis-38526656?showFullText=true

https://www.riverfronttimes.com/news/how-notorious-serial-killer-gary-muehlberg-terrorized-st-louis-38526656?showFullText=true