...Taser guns have not been proven to lower victim shootings, officer-related shootings, or lawsuits. In many cases, Taser guns become just another weapon used disproportionately against African Americans, having little to no impact on the incidence of abuse in our communities. ... [LINK]
That matches everything I've learned about tasers over the past several years.
Their concept and design inherently encourages abuse of citizens.
Evil is built-in.
Adding optional (poorly-conceived, poorly-designed) taser cameras is an after-thought that proves my point.