Glenn and Eric bring up a listener email asking how many candidates examiners should request during AFIS searches. And further, are examiners prepared to compare the increasing number of close non-matches that could arise from better matchers and longer candidate lists. Also, automatically reversing ninhydrin prints.

Eric and Glenn complete their series on the Madrid Bombing Fingerprint Error from the FBI. Even more than 10 years after the error was revealed, there are still very interesting things to learn about this error that led to so many changes and improvements in the latent fingerprint comparison field.

Glenn and Eric continue through the timeline of the Madrid Error or the Brandon Mayfield erroneous fingerprint identification. The guys learn all sorts of new things from the full OIG report that sometimes reveal a new understanding and sometimes contradict the commonly held beliefs of the public and the experts.

Glenn and Eric begin a 3-part review of the full report from the Office of the Inspector General (OIG) on the Madrid Bombing or Brandon Mayfield error from the FBI. This episode starts with a general overview and begins looking at the timeline, including some common misconceptions and inaccuracies that have been taught in fingerprint training classes.

Eric tells Glenn about his recent Arizona Treasure Hunt. The guys then get into a discussion on latent print processing and photography. Do you take photos after each step? After the last step? Only when the latent is better than the previous step? Some other alternative? Solve the puzzle and write in with your own stories about when you process or what crazy requirements your lab has for digital photographs.

Eric starts this episode by doing a short interview with Alice Maceo about her class and some recent adventures. Glenn and Eric then discuss an email asking about setting a point threshold for sufficiency in identifications.

Eric and Glenn talk through the recent news that Beniah Dandridge was wrongly convicted for murder and has served 19 years in an Alabama prison after an erroneous fingerprint identification and other bad witnesses led to his conviction. Major legal issues are coming to light as the courts continued to refuse to re-hear the case even after evidence of Dandridge's guilt was refuted.

Glenn and Eric interview Teresa Wu from 3M/Cogent about the company and new research into preventing errors and statistical models.

This episode sponsored by 3M / Cogent

Glenn and Eric interview Teresa Wu from 3M/Cogent about the company and new research into preventing errors and statistical models.

This episode sponsored by 3M / Cogent

Eric interviews Glenn about how he got started in latent prints and his favorite time teaching. The guys then discuss regional differences in the latent print field including terms, definitions, and powder color.