Man Shoots Young Teacher for Dating His Ex-Girlfriend

A 25-year-old man was arrested last week after allegedly shooting his ex-girlfriend’s new boyfriend.

According to the San Antonio Police Department, on March 10, 23-year-old Michael Echaniz was fatally shot at 4801 Gus Eckert. At the scene, Echaniz’s body was allegedly lying on the ground next to the driver’s side door of his car with part of a cooked frozen waffle jammed in the door, indicating that the victim was trying to get into his car when he was shot.

Upon further investigation, authorities reportedly identified Matthew Thomas Wiessing as the suspect. One of Wiessing’s family members allegedly called police and told them Wiessing shot Echaniz. According to WOAI-TV, the victim was dating Wiessing’s ex-girlfriend. Wiessing and his ex-girlfriend reportedly broke up in November 2021.

According to WOAI, authorities learned Wiessing had access to guns. Surveillance video reportedly revealed Wiessing leaving his home and going into the apartment complex shortly before the fatal shooting and driving away after.

While attending Christendom College, Echaniz was “known for his sweet nature and deep devotion as a friend,” the college said in a statement. “He participated in plays and musicals at the college, including the musical Anything Goes, in the college’s swing and waltz dance competitions, and in the college’s debate society as well.”

He grew up in Front Royal, Virginia, and was the son of Christendom alumni John and Sharon (née Alessandro) Echaniz, the college stated.

Christendom College also stated that the Echaniz family plans to establish a memorial scholarship in Michael’s name.  Donations can be made here: In Memory of Michael Echaniz – Christendom College

Police say Wiessing was arrested Thursday, March 24, and charged with murder. He reportedly remains held in the Bexar County Jail on $250,000 bond.


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