He figured out the criminal, but there were no witnesses. Apparently, Weymer challenged the suspect to lick a red-hot branding iron three times which he would also lick three times, saying that the guilty would be shown.
The detective identified the perpetrator, although there were no witnesses present. It was claimed by Weymer that the suspect would be exposed as guilty if he licked a red-hot branding iron three times and then again three times.