This is like Americans being terrified of living in Australia, b/c they've been convinced by Animal Planet that they'll be killed by venomous wildlife.
There are dangerous places, but everyone you are working with will quickly let you know where they are in your area, and you can avoid them.
People were randomly shot while they were walking out of a H&M in a premium outlet mall in suburban Dallas with a Whole Foods nearby. Doubt you can classify that as a 'dangerous place'. I do agree that this is not common in the USA.
I wouldn't immigrate here, especially if I wasn't white.
Everyone that ever violated a law including speeding or jaywalking is technically an 'illegal' including probably you and your family members. Lets stop addressing human beings as illegals.
Hyperventilating over the onomastics of what they get called isn't solving the illegal-entry crisis.