David Grosse Death & Obituary: Milwaukee, WI — David Grosse, a respected 74-year-old landlord from Milwaukee, tragically lost his life on Sunday, February 2, 2025. The incident occurred at an apartment near 31st and State in Milwaukee, leaving the community in shock and mourning his untimely death.
Details of the Tragic Incident
Authorities reported that West Allis police were first dispatched to the area of 61st and Lincoln following a distress call. According to a criminal complaint, 37-year-old Justin Lannigan admitted to police that he had killed his landlord, David Grosse. Lannigan claimed he stabbed Grosse multiple times after calling him to fix a refrigerator in his apartment. After the initial attack, Lannigan allegedly choked Grosse until he stopped breathing.
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Court documents revealed that Lannigan believed Grosse had installed surveillance cameras in his apartment, a suspicion fueled by social media research conducted on platforms like TikTok and YouTube. The Milwaukee County Medical Examiner’s Office confirmed that Grosse suffered approximately 30 stab wounds, with multiple knives discovered near his body.
Legal Proceedings and Competency Evaluation
Prosecutors have charged Justin Lannigan with first-degree intentional homicide. Due to concerns about his mental health, the court has ordered a competency examination to determine if he is fit to stand trial. The evaluation report is expected by March 3, 2025. Lannigan’s family disclosed that he had been diagnosed with bipolar disorder and schizophrenia, noting his increasingly reclusive behavior in recent months.
A Life Remembered
David Grosse was more than just a landlord; he was a dedicated member of the Milwaukee community. Known for his commitment to maintaining safe and welcoming living environments for his tenants, his tragic death leaves a void in the lives of those who knew him. Friends, family, and tenants remember him for his kindness, professionalism, and unwavering dedication.
Conclusion
The senseless and tragic loss of David Grosse has left the Milwaukee community grieving. As legal proceedings continue, loved ones and community members are left to remember a man who made a lasting impact on those around him. Our thoughts and prayers are with his family during this difficult time.
