MURDERED: Rhonda Knutson

Episode Summary

When Rhonda Knutson is found brutally murdered at her workplace (Philips 66 gas station) in Williamstown, Iowa, on September 7, 1992, investigators are hopeful they will solve the case. They had composite sketches of two men of interest and a vehicle of interest. Despite having these details, the men sought for questioning were never located, and the investigation ran cold.

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Episode Details

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1. Rhonda Knutson: Anyone with information on the murder of Rhonda Knutson is asked to contact Chickasaw County Sheriff’s Office at (641)-394-3121 or the Iowa Division of Criminal Investigation at (515)-725-6010 or email dciinfo@dps.state.ia.us.

2. Composite sketches of the men sought for questioning.

3. Bitter Creek Betty: Anyone with information on the Bitter Creek Better please contact the Wyoming Division of Criminal Investigation at (307)-777-7181 or the Sweetwater County Sheriff’s Office at (307)-352-6720 and reference the Agency Case number 92-0763.

4. I-90 Jane Doe: Anyone with information on the I-90 Jane Doe please contact the Wyoming Division of Criminal Investigation at (307)-777-7181 or the Sheridan County Sheriff’s Office at (307)-672-3455 and reference the Agency Case Number 1992-0119.

Episode Source Material

PRESS RELEASE/FOR IMMEDIATE DISSEMINATION SUBJECT: Arrest of cold case homicide suspect. (n.d.). [Press release]. https://drive.google.com/file/d/1PiYOp8BW4A1SCEaQggQwq50KRZIpaWzQ/view

The Des Moines Register, T. D. M. R. (2016, July 16). Gone Cold: Rhonda Knutson, killed in 1992. Des Moines Register. Retrieved December 14, 2022, from https://eu.desmoinesregister.com/story/news/crime-and-courts/2016/07/16/gone-cold-rhonda-knutson-killed-1992/87188262/?from=global

(1998, Dec 23).CHICKASAW COUNTY, TV show to look at murder, The Gazette.

(1992, Dec 21). Reward climbs in slaying, The Cedar Rapids Gazette.

Williamstown Populated Place Profile / Chickasaw County, Iowa Data. (n.d.). https://iowa.hometownlocator.com/ia/chickasaw/williamstown.cfm

Larry-J-Anderson – User Trees – Genealogy.com. (n.d.). https://www.genealogy.com/ftm/a/n/d/Larry-J-Anderson/WEBSITE-0001/UHP-0058.html

(1992, Sept 8). Trucker sough in N. Hampton slaying, The Gazette.

Swinton, Val (1992 Sept 9). Slain clerk liked nights despite warnings. Beaten to death; robbery report called unfounded, The Gazette.

Unsolved Crimes – Sheriff’s Office – Chickasaw County, Iowa. (n.d.). https://chickasawcounty.iowa.gov/sheriff/unsolved_crimes/

Iowa Cold Cases, Inc. (2021, October 17). Rhonda Knutson. Iowa Cold Cases. https://iowacoldcases.org/case-summaries/rhonda-knutson/

Wikipedia contributors. (2022, December 3). Unincorporated area. Wikipedia. https://en.wikipedia.org/wiki/Unincorporated_area

Just a moment. . . (n.d.-b). https://www.classmates.com/siteui/people/clark-baldwin/6414650/schools

Marten. (2022, May 12). Marten Transport – Expect the Best. Marten Transport, Ltd. https://www.marten.com/

Cavallier, A. (2020, May 8). Accused serial killer Clark Perry Baldwin being investigated in 1992 slaying of Tammy Jo Zywicki. NBC News. https://www.nbcnews.com/dateline/accused-serial-killer-clark-perry-baldwin-being-investigated-1992-slaying-n1203211

Garcia, C. T. F. A. J. T. (2020, May 8). Suspected serial killer arrested, accused of killings in Tennessee and Wyoming. Here’s what we know. Nashville Tennessean. https://eu.tennessean.com/story/new s/crime/2020/05/07/clark-perry-baldwin-iowa-what-to-know/3087903001/

 Pai, A. (2020, May 7). How serial killer Clark Baldwin’s trash helped FBI link him to brutal slayings of pregnant women in 1990s. MEAWW. https://meaww.com/clark-baldwin-iowa-serial-killer-arrested-decades-old-slayings-of-three-women-iowa-pregnant-suspect

Sahouri, C. T. F. A. A. M. D. M. R. (2020, May 9). Woman who lived with suspected Iowa serial killer struggles to reconcile “gentle giant” she knew with murders he’s accused of committing. Des Moines Register. https://eu.desmoinesregister.com/story/news/crime-and-courts/2020/05/08/iowa-serial-killer-clark-perry-baldwin-gentle-giant-former-roommate-says/3093973001/

CBS Chicago. (2020, May 9). Authorities Back Away From Probe Of Accused Serial Killer Clark Perry Baldwin In Tammy Jo Zywicki Murder. CBS News. https://www.cbsnews.com/chicago/news/accused-serial-killer-clark-perry-baldwin-investigated-in-slaying-of-tammy-jo-zywicki-other-unsolved-murders/

Foley, R. (2020). COURTS & CRIME Trucker from Iowa charged in 1990s slayings of 3 women, including one from Gloucester. Daily Press. https://www.tribpub.com/gdpr/dailypress.com/

Unsolved Crimes – Sheriff’s Office – Chickasaw County, Iowa. (n.d.-b). https://chickasawcounty.iowa.gov/sheriff/unsolved_crimes/

Foley, R. (2020b). Trucker charged in serial killings, including Pamela McCall from Topping, Virginia, faces scrutiny for other murders. Abc 8 News. https://www.wric.com/news/u-s-world/trucker-charged-in-serial-killings-including-pamela-mccall-from-topping-virginia-faces-scrutiny-for-other-murders/

Waldrop, T., & Lynch, J. (2020, May 8). Suspect in serial killings arrested in 29-year-old cold case. CNN. https://edition.cnn.com/2020/05/08/us/tennessee-cold-case-suspected-serial-killer-arrest/index.html

Alund, N. T. N. T. (2020, May 15). How a true crime book and a DNA hit led to an arrest in Spring Hill’s coldest case — and maybe more. Nashville Tennessean. https://eu.tennessean.com/story/news/crime/2020/05/15/spring-hill-tennessee-cold-case-pamela-aldridge-mccall-clark-perry-baldwin/3091571001/

Unsolved, S. O. T. (2021, January 3). Bitter Creek Betty. Stories of the Unsolved. https://storiesoftheunsolved.com/2020/11/25/bitter-creek-betty/

Thompson, E. G. (2020, May 7). Bitter Creek Betty & Sheridan County Jane Doe. Morbidology. https://morbidology.com/bitter-creek-betty-sheridan-county-jane-doe/

Lynch, C. J. (2020, September 13). The Unnamed: Bitter Creek Betty. The Morbid Library. https://themorbidlibrary.com/2020/05/23/the-unnamed-bitter-creek-betty/

213UFWY. (n.d.). https://www.doenetwork.org/cases/213ufwy.html photo source

Pasqualini, K. L. (2022, January 1). Truck Driver is Suspected Killer of “Bitter Creek Betty” and Other Women. Medium. https://medium.com/the-shadow/truck-driver-is-suspected-killer-of-bitter-creek-betty-and-other-women-6324baaf4d73

Pasqualini, K. L. (2022b, December 20). Truck Driver Is Suspected 1992 Killer of “Bitter Creek Betty” and Other Women. The CrimeWire. https://thecrimewire.com/true-crime/Truck-Driver-Is-Suspected-1992-Killer-of-Bitter-Creek-Betty-and-Other-Women

Wiederspahn, A. (2020, May 8). Who Are “Bitter Creek Betty” and “I-90 Jane Doe”? Cowboy State Daily -. https://cowboystatedaily.com/2020/05/08/who-are-bitter-creek-betty-and-i-90-jane-doe/

390UFWY (doenetwork.org) photo source

390UFWY. (n.d.). https://www.doenetwork.org/cases/390ufwy.html

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