Floyd,|
Try this method:
A mouse / rat in a cage with a string on it. Make sure the "victim" has food and water. Set the cage in a good sized pail or box on its side. If you are particularly considerate you can cover the cage in a light cloth.
Unless the snake has recently fed or is shedding the mouse will be like KFC to it and it'll wriggle in - possibly more than one.
When you have determined the snake is well and truly IN - up-end the box/pail using a long handled something. Haul out the mouse, cage & all, cover the vessel and "relocate" the reptile. If its a constrictor just set it free somewhere away from small pets.
Easy as! Its worked for me dozens of times.