The quick answer is that lawyers are not supposed to lie, but they canât necessarily prevent their clients from lying. Iâll get to the details in a minute â honestly--but first Iâm happy to tell you that the podcast version of this article is brought to you by Go To Meeting.
Fingerprints on paper, cardboard and unfinished wood can last for up to forty years (per actual casework histories) unless exposed to water (and contaminate transfer prints can even then sometimes persist).
Along with fingerprinting, parents are encouraged to collect and file with the authorities DNA samples on their children. Depending on the sample, DNA can be kept for from 5 to 35 years if handled property. You can purchase DNA testing kits that are extremely user friendly and provide complete packaging and mailing instructions.