Lyon climb back above their rivals into 3rd place after dealing Saint-Etienne a 1st home loss of the season.
Pepe's 13th goal of the campaign drew him level in the Ligue 1 scoring charts with PSG's Kylian Mbappe.
The win takes Caen up 2 spots to 16th on 17 points, a point and a place behind Toulouse.
The court also heard that King was likely killed with either a chisel or pickaxe and that Tenret returned to the house for several weeks after the murder to take food or have a shower.
Ferland Mendy's scored Lyon's equaliser, making the final score 2-2.
After beating Chambly, Les Herbiers will play against either PSG or Caen in the final.