They’re demanding justice after three officer-involved shootings in Tallahassee over the last three months. State Attorney Jack Campbell said the incident is still under investigation as authorities comb through dozens of video clips for evidence. That would raise a possible self-defense claim.”The cases of the three officer-involved shootings are at a standstill. That’s because they must be reviewed by a grand jury, and the virus has put grand juries on hold until at least July. No one was seriously injured during the incident with the truck.