How did matlock catch the murderer on the investigation part 2?

In "Matlock: The Investigation Part 2," Ben Matlock uncovers the murderer by meticulously examining evidence and questioning witnesses. He identifies inconsistencies in their alibis and uses logical deductions to connect the dots. Ultimately, a crucial piece of evidence or a confession from a key witness reveals the true culprit, showcasing Matlock's sharp legal mind and investigative skills.