The mass shooting in Kalamazoo, Mich., over the weekend is renewing questions over the sharing economy’s employment and safety practices. The alleged shooter was an Uber driver who reportedly had been driving passengers before and after he shot and killed six people Saturday night. He passed Uber’s internal background check and had no criminal record, according to a company statement. The incident comes just weeks after Uber settled two class-action lawsuits after the company was accused of exaggerating the safety of its background checks, and while it fights an Austin, Texas, proposal to fingerprint its drivers. Like businesses have shielded their liability from worker conduct on the grounds that drivers and hosts work as independent contractors. Read more here.