Berean Study Bible
because the manslayer must remain in his city of refuge until the death of the high priest. Only after the death of the high priest may he return to the land he owns.

King James Bible
Because he should have remained in the city of his refuge until the death of the high priest: but after the death of the high priest the slayer shall return into the land of his possession.

American Standard Version
because he should have remained in his city of refuge until the death of the high priest: but after the death of the high priest the manslayer shall return into the land of his possession.

Darby Bible Translation
for the manslayer should have remained in the city of his refuge until the death of the high-priest; but after the death of the high-priest he may return into the land of his possession.

Douay-Rheims Bible
For the fugitive ought to have stayed in the city until the death of the high priest: and after he is dead, then shall the manslayer return to his own country.

English Revised Version
because he should have remained in his city of refuge until the death of the high priest: but after the death of the high priest the manslayer shall return into the land of his possession.

Young's Literal Translation
for in the city of his refuge he doth dwell till the death of the chief priest; and after the death of the chief priest doth the man-slayer turn back unto the city of his possession.