Man charged with murder after stabbing in Bethesda leaves father dead

A Bethesda, Maryland, man was charged with murder Monday after a stabbing left his father dead Sunday, Montgomery County police said.

Authorities said 20-year-old Sergio Elysee Koyangbo is charged with first-degree murder and is being held without bond.

A spokesperson for Montgomery County police said the stabbing happened just after 9:30 p.m. Sunday on Lambeth Road.

When officers responded, they found David Beasley, 46, Koyangbo’s father, inside the home with stab wounds to his body.

Beasley was taken to the hospital where he later died.

“Detectives spoke with witnesses and determined that Koyangbo stabbed his father, Beasley, inside the residence. Detectives also located items of evidentiary value at the residence,” police said in a statement.

The investigation is ongoing.

Below is a map of the location of where the incident occurred.


Will Vitka

William Vitka is a Digital Writer/Editor for He's been in the news industry for over a decade. Before joining WTOP, he worked for CBS News, Stuff Magazine, The New York Post and wrote a variety of books—about a dozen of them, with more to come.

Lauren Hamilton

Lauren Hamilton is an Associate Producer at WTOP and a graduate of the University of Maryland. She enjoys covering the intersection of arts, culture and social justice in local communities. She began as an intern with WTOP in the summer of 2021.

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