St. Louis Major Case Squad Investigations

MCS Report #735

Classification: Homicide

Requesting Agency: St. Peters Police Department

Date of Activation: 11/27/2020

Commander and Department: Capt. Ray Juengst, St. Charles City Police Department

Deputy Report Officer and Department: Officer Colten Brown, Chesterfield Police Department

Deputy Report Officer and Department: Det. Russell McDermott, O’Fallon, MO Police Department

Victim: Amethyst Jean Killian

Suspect: Damion Seth Delgado

The St. Peters Police Department requested the assistance of the Major Case Squad in investigating the death of Amethyst Killian. At approximately 12:00pm, officers responded to the 100 block of North Church Street for a report of a deceased woman lying outside. There officers located Amethyst Killian (age 22) who had been stabbed. She was pronounced dead on scene. She was pregnant at the time of her death. Amehyst had been reported missing a day earlier on 11/26/2020 at 8:00pm by family members after she failed to return home.

As a result of this investigation, Damion Delgado (age 27) was charged with Murder 1st Degree, Murder 2nd Degree for the unborn child, and Armed Criminal Action. His bond was set at $1,000,000.

Major Case Squad Press Releases

"Squad Membership is Regarded Not Only as a Honor, but as an Opportunity. It is Police Work at its Purest."

- St. Louis Post-Dispatch Sunday, March 7, 1982

MAJOR CASE SQUAD OF GREATER ST. LOUIS
1700 N Hwy 67
Florissant, Missouri 63031
(314) 831-7000
ST. LOUIS REGIONAL CRIMESTOPPERS
1-866-371-TIPS (8477)Visit Site
The Major Case Squad of Greater St. Louis is a 501(c)(3) nonprofit organization supporting multi-agency homicide investigations across the St. Louis region.
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