CULIACAN, Mexico—The house former drug kingpin Joaquín “El Chapo” Guzmán fled in 2014 when Mexican marines had him surrounded underwent some changes recently as the Mexican government prepared to give it away in a national lottery. The surveillance cameras that covered every angle of the modest home’s exterior were removed. And the hole under a bathtub that Guzmán had slipped through to reach a network of tunnels was covered with a concrete slab. The Associated Press was given access to the property in a quiet Culiacan neighborhood ahead of the lottery. In recent weeks, Mexico’s Institute to Return Stolen Goods to the People, known by its initials as INDEP, gave it a fresh coat of white paint inside and out and tiled over the spot in the bathroom where the tub and tunnel entry point had been. President Andrés Manuel López Obrador has been talking up the lottery of seized …