I had to google what a Sexton was. Learn something new on here all the time.As far as why? Because someone shot a gun there, or someone used gravel or topsoil from a quarry where people shot (very common).
I was sexton of a 100 year old church and we pulled a section of wood over dirt flooring up in the unfinished utilities room and I found .45 ACP cases and fired bullets. Someone making sure a pistol worked? A murder? Who knows?
Thanks, Roundness. So I wonder why I am finding modern pistol bullets in a park. Who would be firing them there?