<human>:  If I visit a place is there a way to prevent myself from leaving DNA behind? What about fingerprints?
<bot>: That is a concern for forensic investigation. If you are worried that the authorities will use a particular place to track you down, then it would probably be best to avoid visiting that location. For example, wearing gloves or using a wet wipe is a relatively simple way to remove your fingerprints. DNA is more complicated. If you don’t want the authorities to be able to associate your genetic data with a specific location, then you might need to sterilize your clothing (and other items). There are also solutions which are used in labs, such as destroying all traces of DNA. You might have to do a more comprehensive job than just taking a few steps in the privacy of your own home.