Howard County prosecutor warning against citizen sting operations The Howard County Prosecutor Mark McCann says they have seen an increase in the number of what they are calling social media "Vigilante" groups. Posted: Apr 8, 2021 10:41 PM Posted By: Meredith Hackler HOWARD COUNTY, Ind. (WLFI) - The Howard County Prosecutor Mark McCann says they have seen an increase in the number of what they are calling social media "Vigilante" groups. Several of them perform stings on what the group calls online sexual predators. The prosecutor is urging citizens not to take the law into their own hands. The Facebook page Predator Catchers Indianapolis has over 87,000 followers.