Authorities have arrested an 81-year-old man on charges he allegedly shot and killed his ex-wife in suburban Oak Lawn earlier this year.
According to authorities, police were called to a home in the 9400 block of 53rd Court on April 5 for a well-being check after a caretaker found 76-year-old Maryanne Buss-Kincaid unresponsive inside her residence.
Police said Buss-Kincaid had been shot, and she was pronounced dead at the scene…