Moses
Deuteronomy 4:45BSB·traditional attribution

These are the testimonies, statutes, and ordinances that Moses proclaimed to them after they had come out of Egypt,

Matthew Henry Presbyterian @wholebiblehenry

Here is, 1. The nomination of the cities of refuge on that side Jordan where Israel now lay encamped. Three cities were appointed for that purpose, one in the lot of Reuben, another in that of Gad, and another in that of the half tribe of Manasseh, Deu 4:41-43.

Commenting on Deuteronomy 4:41-49

John Gill Reformed Baptist @doctorgill

On this side Jordan, in the valley, over against Bethpeor,.... Where the Israelites abode some time; see Deu 3:29, in the land of Sihon king of the Amorites, who dwelt at Heshbon; which was now conquered, and in the hands of the Israelites: whom Moses and the children of Israel smote, after they came out of Egypt; not as soon as, or quickly after they...

Geneva Bible Notes Reformed @genevanotes

These [are] the testimonies, and the statutes, and the judgments, which Moses spake unto the children of Israel, after they came forth out of Egypt, (c) The articles and points of the covenant.