New true crime documentaries on streaming services aren’t exactly newsworthy these days. Streamers have made it easy to fulfill a craving for crime content with lots of documentaries and docuseries about scammers, swindlers, kidnappers and killers. However, there are some recent highlights of the genre that are worth seeking out. First up, acclaimed documentarian Nanfu Wang breaks into the true crime docuseries space with the HBO miniseries “Mind Over Murder,” which premiered on June 20, and will be rolling out over six weeks. Wang is the director of three Oscar-shortlisted films, the COVID-19…