[allmost]

DNA has never been %100 accurate. Lab errors, inconsistent and flat out incorrect results from LCN techniques, and the odds themselves of a match are no where near what they are portrayed as.

[SouthDixie]

I agree, damage can occur by many mutagens long before the sample even reaches a microscope. That’s probably why it takes so long for the results. Tests need to be repeated until a consistant conclusion is achieved.