Rabbi Morris Adler is fatally shot by a disgruntled congregant at Congregation Shaarey Zedek in Southfield, Michigan, United States.

On February 12, 1966, Richard Wishnetsky entered Congregation Shaarey Zedek in Southfield, Michigan, during weekly Shabbat services and, brandishing a firearm, ordered everyone except Rabbi Morris Adler off the synagogue's bimah. After condemning the congregation, Wishnetsky shot Adler and himself.

Congregation Shaarey Zedek is a Conservative synagogue in the Detroit suburb of Southfield, Michigan, in the United States.

Southfield is a city in Oakland County in the U.S. state of Michigan. An inner-ring suburb of Detroit, Southfield borders Detroit to the north, roughly 15 miles (24.1 km) northwest of downtown Detroit. As of the 2020 census, the city had a population of 76,618.

February 12 is the 43rd day of the year in the Gregorian calendar; 322 days remain until the end of the year.