Albert Barnes Commentary 2 Samuel 3:16

"And her husband went with her, weeping as he went, and followed her to Bahurim. Then said Abner unto him, Go, return: and he returned." — 2 Samuel 3:16 (ASV)

Bahurim - Best known as the residence of Shimei, and as the place where Jonathan and Ahimaaz were concealed in a well during David’s flight from Absalom (2 Samuel 16:5; 2 Samuel 17:18). It seems to have been situated on the southern border of the tribe of Benjamin and on the route from Jerusalem to the Jordan fords, since Phaltiel came from Mahanaim (2 Samuel 2:8).