Detailed text transcripts for TV channel - CNN - 20171116:07:18:00
>> over time how often does it typically a signature change? because i've looked back at my signatures from high school or from whatever from many in my 20s, 30s, it changes, but how typical is that? >> it's typical, but it's also very case specific. you can have people that handwriting doesn't change much at all for many, many decades and there are other people where it can change drastically over a very short period of time. the only way to ensure that is to used a get known specimens, which is a significant number of signatures and nonsignature cursive writing from within two to three years...