As soon as Joab had left David, he sent messengers after Abner, who brought him back from the well of Sirah; but David was unaware of it.
Jewish Publication Society of America Version (JPS1917) - 2 Samuel 3:26 >And when Joab was come out from David, he sent messengers after Abner, and they brought him back from Bor-sirah; but David knew it not.