Ann Arbor police are investigating similar bomb threats reported Monday afternoon at two schools. What to know: Ann Arbor police are investigating similar bomb threats reported Monday afternoon at two schools. Slauson Middle School and Ann Arbor Open K-8. The school had already dismissed students when officers arrived. Remaining students and staff were evacuated as a precaution. Officers searched Slauson Middle School and found nothing suspicious. Police said neither threat contained specific details and both described a what if scenario. ANN ARBOR, Mich. - Ann Arbor police are investigating similar bomb threats reported Monday afternoon at two schools. Officers responded to Slauson Middle School on Oct. 5, 2026, after receiving a report of a possible bomb threat. The school had already been dismissed when officers arrived. As a precaution, officers evacuated remaining students and staff inside the school. Officers searched the building and found nothing suspicious, police said. During the investigation, officers learned that Ann Arbor Open K-8 had received a similar threat at approximately the same time. Police said neither threat contained specific details and instead described a what if scenario. Both threats have been assessed as not credible. The investigation remains active, and the Ann Arbor Police Department is working closely with Ann Arbor Public Schools. Anyone with information is asked to contact the Ann Arbor Police Department at 734-794-6920 or email tips@a2gov.org. You can also submit anonymous tips through Silent Witness. #clickondetroit #CrimeInTheD ®