Courthouse Square Senior Apartments. 100 S. 4th Ave. in Ann Arbor on Friday, Jan. 15, 2021.Jacob Hamilton | The Ann Arbor News

ANN ARBOR, MI – A man accused of killing his neighbor allegedly strangled her with a vacuum cleaner cord and lived in her downtown Ann Arbor apartment for two days until police were called to check on her, Det. Jon McDonagh said while swearing to an arrest warrant before a judge on Saturday, Sept. 3.

Keith Brent Kwiecinski, 61, also allegedly sexually assaulted Patricia Falkenstern, 65, after killing her, the Ann Arbor police detective testified. Kwiecinski was arraigned Saturday on one count of open murder for the death of Falkenstern, who was found dead in her home during a welfare check.

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