Mary K. Senne (Courtesy Des Moines Register)

Mary K. Senne (Courtesy Des Moines Register)

Mary K. Senne


Mary K. Senne
21 YOA
4119 E. University Ave.
Des Moines, IA
Polk County
Case # 1973-51704
October 22, 1973

Information provided by Des Moines police and Des Moines Register
Courtesy Des Moines Register, Oct. 23, 1973

Courtesy Des Moines Register, Oct. 23, 1973

On Monday night, October 22, 1973, Mary K. Senne, 21, was stabbed to death in her east Des Moines home sometime between 6 and 6:30 p.m. after an intruder cut the telephone line.

A report by Polk County Medical Examiner R.C. Wooters stated that Senne was stabbed twice in the stomach and one time in the throat. There were signs of a slight struggle, Wooters said, but Senne had not been sexually molested.

Authorities said robbery may have been a motive.

Mary Senne’s husband, Douglas Senne, 23, said he discovered his wife’s body when he came home about 7:30 p.m.

Mrs. Senne, clad in a yellow sweater and black slacks, lay face up on the living room carpet in a pool of blood in the couple’s residence at 4119 E. University Ave.

Mary Senne was employed by AID Insurance Services at 701 Fifth Avenue in Des Moines, and was the daughter of a Galesburg, Ill., surgeon.

Gregory Hawkins, who managed the complex’s 11 duplexes, said Mr. Senne moved into the $140-a-month unit on Dec. 3, 1972, and that Mrs. Senne moved in when the couple married in February 1973.

Hawkins described the Sennes as “the best people we had,” and said they’d never had complaints or trouble with the couple (Des Moines Register, Oct. 23, 1973).

Information Needed

If you have any information you think might help solve this case, please contact the Des Moines Police Department Detective Bureau at 515-283-4864.


5 Responses to Mary Senne

  1. I pray for justice .my prayers to the family .

  2. Diana Wilson says:

    Sick people out there!

  3. JP Miller says:

    I rode together In the Des Moines Commuter Club with Mary Senne to Iowa State. I barely knew her but have never since forgotten her name. Every few years I am saddened to discover her murder has not been solved. I hope to see justice in my lifetime.

  4. Patrick Kerrigan says:

    I wonder if the local police ever relooked at his case. Also, I wonder if their any similar crimes like this in the area. Also, the fact that the offender or an accomplice cut the phone wires

    Also, I wonder if she had a previous boyfriend who was upset, that she dumped him and married Douglas. The other thing was that she was stabbed twice in the stomach, and once in the throat. I wonder if this was to keep her quiet. Also, the auhorities mention robbery as a motive, but no mention of anything missing, or signs of forced entry.

Comment Policy

We encourage thoughtful discussion here but ask that comments remain civilized and constructive … i.e. without personal attacks or name-calling. Be respectful of others and remember that victims' family members visit these pages, too. If you'd like to provide us with information regarding a suspect or have other sensitive details to relay, please email us directly. Thank you in advance.

Share Your Thoughts