SAN DIEGO — For decades, neighbors remembered Leo Marquina as a quiet, gentle man who kept mostly to himself and tended lovingly to his garden. But in 1976, the 68‑year‑old was found stabbed to death inside his Barrio Logan home — a crime that went cold for nearly half a century.
On Wednesday, almost 50 years after Marquina’s killing, an arrest finally led to a preliminary hearing at the downtown San Diego courthouse.
“He didn’t have family here. We were family,” said Rena Weinert, whose grandparents rented a home on their property to Marquina and saw him nearly every day. “He was just a very nice man.”…