Incident

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2-10-2025 Wyoming Byron 4-1

Location

February 10, 2025

239 E Shoshone Ave
Byron, Wyoming

Participants

Type: Victim
Name: Brooke Harshman
Age: 2
Age Group: Child 0-11
Gender: Female
Status: Killed

Type: Victim
Name: Jordan Harshman
Age: 2
Age Group: Child 0-11
Gender: Female
Status: Killed

Type: Victim
Name: Brailey Blackmer
Age: 9
Age Group: Child 0-11
Gender: Female
Status: Killed

Type: Victim
Name: Olivia Blackmer
Age: 7
Age Group: Child 0-11
Gender: Female
Status: Killed

Type: Subject-Suspect
Relationship: Family
Name: Tranyelle Harshman
Age: 32
Age Group: Adult 18+
Gender: Female
Status: Killed

Incident Characteristics

Shot - Dead (murder, accidental, or suicide)
Suicide^
Murder/Suicide
Child Involved Incident
Child killed (not child shooter)
Mass Murder (4+ deceased victims excluding the subject/suspect/perpetrator , one location)
Mass Shooting (4+ victims injured or killed excluding the subject/suspect/perpetrator, one location)
Domestic Violence
Family annihilation

Notes

mother shot 4 children, called 911, then shot self in home; 3 children dead at scene, mother died at hospital. Olivia Blackmer held on for 6 days and passed away on 02-15-25 at hospital

Guns Involved

1 gun involved.

Type: Unknown

Sources

URL: https://bnonews.com/index.php/2025/02/home-shooting-in-wyoming-leaves-multiple-victims/

URL: https://www.facebook.com/photo?fbid=1037812648386726&set=pcb.1037812811720043

URL: https://www.kulr8.com/news/multiple-children-dead-in-byron-shooting-mother-and-toddler-airlifted/article_8e961b26-e829-11ef-a8e4-3befcb9b53df.html

URL: https://www.krtv.com/first-responders-react-to-wyoming-mass-shooting

URL: https://greybullstandard.com/content/four-die-byron-shooting

URL: https://cowboystatedaily.com/2025/02/16/olivia-7-year-old-lone-survivor-of-byron-murder-suicide-dies-in-utah-hospital/

District

Congressional District: 0
State Senate District: 19
State House District: 26