To the people suggesting pinning the blame on a person is ignoring the systemic issues, let me point out this: you can do both. We can both recognize that the system is broken while still recognizing that we need to make it plainly obvious how disappointed we are in the people running it.
Making a petition isn't a lynch mob. These people are public servants, and ostensibly serve at the pleasure of the public. So when tragedies like this happen we need to make it extremely clear how displeased we are.
Indeed. Yes, the system is what it is, but prosecutors have huge discretion over who they attack. "The system" is just a machine, like a gun, and she picked that gun up, aimed it at Aaron, and pulled the trigger.
Making a petition isn't a lynch mob. These people are public servants, and ostensibly serve at the pleasure of the public. So when tragedies like this happen we need to make it extremely clear how displeased we are.