We have lost chicken too!

For the Past Week we have lost 1 to 2 chickens a night we have locked or chicken up in the coop but what ever it is,eat though the wire and wood.   We have a coop with windows in front in which we put chicken wire on. they ate the steel wire in half and went in to the coop.  the hole is about 6 inches across so it must be a coon or passim. Last night it ripped the wing off one chicken and the tail off another the one with the missing wing died.  We have a small hole in the back of the coop to let the chickens out to free range dunning the day but the door has been ripped off twice. We used a trail cam and captured a pic of a coon about 1am then a possum and  2am. They are relentless. I am boarding up the windows tonight. 

I like that wire on your coop windows I guess orslens would have that its going on the window tomorrow. For tonight we put hing Doors to cover the window with 1 inch holes drilled all though out the plywood i am afraid there will not be enough air flow though We also put snap locks on them on the inside. I like the wire you have better. I like to let them free rang just for a bit so we have the little back door for them and i let them out for a few hours before dark so they can pick at the grass haven't had a problem with this during daylight only at night. My dear sweet husband got up 3 time last night with the chickens going nuts in the hen house, running out side to shoot the critter killing the chicken but didn't see anything but the darn thing got in the window anyways and kill one more chicken. I am hoping this is the last one for this coon.

Thank you so much for the great advise I am rather new to chickens so it really bugs me when I started losing them.