Mystery developed : or, Russell Colvin, (supposed to be murdered,) in full life: and Stephen and Jesse Boorn, (his convicted murderers,) rescued from ignominious death by wonderful discoveries. Containing, I. A narrative of the whole transaction, by Rev. Lemuel Haynes, A. M. II. Rev. Mr. Haynes' sermon, upon the development of the mystery. III. A succinct account of the indictment, trial and conviction of Stephen and Jesse Boorn.