I did my thesis on EEG signals, also having a very idealistic view of what could I do with it, only to find that even the most basic of tasks is hard to classify (even to find motor cortex movement intention signatures (if you want to move left or right hand)).
This work will not go into the real world in this stage, as it is badly done and most certainly having multiple flaws in the implementation, rendering it unusable in the real world.
So, don't get too stressed out about this, if it happens, it will be about 20-30 years from now. And keeping in mind how slow the law enforcement technology moves forward (aren't most of them still using windows xp and vista?) I would count more like 30-50 years.
I am struggling to find meaning in IT work. I've been in the IT field for 7 years now, 6 years of college and 3 years of working.... and I don't know if the passion just got sucked out of me in school, or if it wasn't in me in the first place...Currently I am doing Sys Admin job, before I was Java EE programmer, but I never really immersed or rooted myself in the field, because I was/am not...
And perhaps the most important thing - when there is a human driver, he is also responsible for his own life, so he will drive very carefully.
This is a shit idea and it will fail.