Terry Jackson, 59, has been arrested in connection with the fatal stabbing of 47-year-old Richard Cuenca in the 400 block of Rigsby Avenue, San Antonio police say.
Jackson was sought by San Antonio police after the fatal stabbing on Sept. 15.
According to an arrest affidavit, Jackson was with a neighbor of his ex-girlfriend when he saw Cuenca and his ex-girlfriend drive up to her home on Rigsby Avenue.
The neighbor told police Jackson is very jealous and decided to approach his ex and Cuenca as they walked up to her porch.
The neighbor told police he advised Jackson not to go, but then heard screams coming from the ex-girlfriend's home.
According to the affidavit, Jackson ran back to the neighbor's home and said he had had stabbed Cuenca about 5 to 6 times, then fled in his truck.
San Antonio police interviewed the neighbor who positively identified Jackson. Jackson was arrested and charged with murder, the affidavit stated.