Rapid City Court Sentences Man to 40 Years
Joshua Thunder Hawk receives a 40-year prison sentence for his role in the 2025 beating death of 24-year-old Michael Ladeaux.
Updated on Oct. 27, 2026 in Criminal Justice

Joshua Thunder Hawk, 25, was sentenced to 40 years in prison for his involvement in the 2025 beating death of 24-year-old Michael Ladeaux. The sentencing in Rapid City follows a guilty plea to aiding and abetting first-degree manslaughter.
Why it matters
The case concludes a legal process regarding a lethal assault that occurred in an apartment hallway while the defendant was intoxicated. This sentencing serves as a significant final step in the justice process for the family of the victim.
Joshua Thunder Hawk received a 40-year prison sentence for aiding and abetting first-degree manslaughter. His record previously included charges for theft and burglary before this sentencing.
The players
Joshua Thunder Hawk
The 25-year-old defendant who pleaded guilty to aiding and abetting first-degree manslaughter.
Michael Ladeaux
The 24-year-old victim who died at a hospital following a beating in an apartment hallway.
The details
Police initially responded to an apartment hallway where they discovered Michael Ladeaux with severe injuries that ultimately led to his death at a hospital. Investigators identified Joshua Thunder Hawk as the primary aggressor in the attack.
Timeline
The beating incident involving Michael Ladeaux occurred in 2025.
Joshua Thunder Hawk received his 40-year sentence on October 27, 2026.
Legal Context
This case aligns with the standard sentencing protocols for first-degree manslaughter in South Dakota. The judicial outcome follows established legal precedents used to determine prison terms for violent offenses within the state system.
The conclusion of this case provides closure to the community regarding a violent assault that occurred in a local residential building. Residents are reminded to report suspicious activity or threats in apartment complexes to local law enforcement immediately.
The takeaway
This case highlights the severe legal consequences for manslaughter convictions involving prior criminal records. Individuals are encouraged to prioritize personal safety and avoid situations involving extreme intoxication that can escalate into fatal conflicts.
Further reading
For more information on legal proceedings in the area, visit the Criminal Justice section.










