When Harriott had visited the shop on the morning after the murders , he found the chisel placed in a prominent position and removed it as evidence .
Margaret Jewell testified that Marr searched his shop that night , but could find no trace of it .
When Harriott had visited the shop on the morning after the murders , Marr found the chisel placed in a prominent position and removed it as evidence .
Margaret Jewell testified that Marr searched his shop that night , but could find no trace of it .