Twins fans might not realize it, but robot eyes will be watching them.
As one of several tech upgrades the baseball team made to Target Field ahead of Friday afternoon's home opener against the Astros, an artificial intelligence (AI) weapons-detection system will replace the usual metal detectors and manual bag searches for those entering the downtown Minneapolis stadium.
The goal: No more hordes of people enduring long waits that threaten to make them miss the first pitch.
"The fan experience is great because we make lines ago away," said Peter George, chief executive of Boston-based Evolv Technology, which developed the system. "People can get right into the stadium and then enjoy a hot dog or beer or whatever they want to do."
At all entrances, the system will screen fans for weapons on entry, no emptying of pockets necessary. Fans will walk between the 6-foot image scanners while nearby security guards monitor a live camera feed on tablets. From those tablets, the system alerts security personnel to objects that pose a threat.
The system is smart enough to determine the difference in shape between a firearm and a cellphone and can take a photo of the person carrying the potential threat. That prompts a security guard to pull that person aside for a manual check.

"We've spent a lot of time to find ways to make that process more efficient with fans, for late arrivals and bag checks," Twins President and Chief Executive Dave St. Peter said. "This should allow us to move people through our gate entry in a more seamless manner."
Myles Lukoskie, 41, of Shoreview, has been a Twins season ticket holder since 2010, the year the team moved into Target Field. Though he uses an expedited entry for season-ticket holders, away from general ticket entry points, any system that moves fans into the stadium more swiftly is a positive for him.