OCEAN CITY — A wooden box, apparently placed into the ocean as a religious offering, sparked a police investigation when it washed ashore and was found by a resident last week behind his home...Police said the box, the size of a shoebox, contained several notes written in Spanish as well as some balled up paper and gave out a rancid smell.An investigation into the box led detectives to an El Salvador man from Silver Spring, Md., who admitted to making the box and putting some notes and a piece of uncooked chicken in it before placing it in the water...