Police line the parking lot outside the Oneida Casino in the early morning hours of Sunday, May 2nd, 2021, near Green Bay, Wisconsin. Authorities in Wisconsin say a gunman killed two people at a Green Bay casino restaurant and seriously wounded a third before he was shot and killed by police Saturday. (AP Photo/Mike Roemer)

A State Patrol officer blocks the road in front of the Oneida Bingo and Casino in Green Bay, Wis on Saturday May 1, 2021 after reports of an active shooter. A spokesperson for a Wisconsin casino says an undetermined number of people have been shot at the casino. The Oneida Casino in Green Bay tweeted Saturday there was an active shooter at the casino. (AP Photo/Mike Roemer)

Lt. Kevin Pawlak of the Brown County Sheriff's Office talks to the media about a shooting incident with multiple fatalities at the Oneida Casino near Green Bay, Wis on Saturday May 1, 2021. Authorities in Wisconsin say a gunman killed two people at the casino restaurant and seriously wounded a third before he was shot and killed by police Saturday. (AP Photo/Mike Roemer)

Law enforcement at the Oneida Casino near Green Bay, Wis in the early morning hours of Sunday May 2nd, 2021 after an active shooter. Authorities in Wisconsin say a gunman killed two people at the casino restaurant and seriously wounded a third before he was shot and killed by police Saturday. (AP Photo/Mike Roemer)

The Oneida Casino lights glow in the parking lot in the early morning hours of Sunday, May 2nd, 2021, near Green Bay, Wisconsin. Authorities in Wisconsin say a gunman killed two people at a Green Bay casino restaurant and seriously wounded a third before he was shot and killed by police Saturday. (AP Photo/Mike Roemer)

Police stand guard in the parking area outside the Oneida Casino in the early morning hours of Sunday, May 2nd, 2021, near Green Bay, Wisconsin. Authorities in Wisconsin say a gunman killed two people at a Green Bay casino restaurant and seriously wounded a third before he was shot and killed by police Saturday. (AP Photo/Mike Roemer)

Jawad Yatim, general manager of the Massachusetts Pirates indoor football team in town for a game, talks with media about witnessing a shooting at Duck Creek Restaurant inside the Oneida Casino/Radisson Hotel & Conference Center on May 1, 2021, in Ashwaubenon, Wis. (Sarah Kloepping/The Post-Crescent via AP)

Jawad Yatim recounts seeing two people get shot at the Oneida Casino in the early morning hours of Sunday, May 2, 2021, near Green Bay, Wisconsin. Authorities in Wisconsin say a gunman killed two people at a Green Bay casino restaurant and seriously wounded a third before he was shot and killed by police Saturday. (AP Photo/Mike Roemer)

Lt. Kevin Pawlak of the Brown County Sheriff's Office talks to the media about a shooting incident with multiple fatalities at the Oneida Casino near Green Bay, Wis.,on Saturday May 1, 2021. Authorities in Wisconsin say a gunman killed two people at the casino restaurant and seriously wounded a third before he was shot and killed by police Saturday. (AP Photo/Mike Roemer)

Guests leave the Oneida Casino/Radisson Hotel & Conference Center on Sunday, May 2, 2021 after a shooting took place on Saturday at the Duck Creek Restaurant in Ashwaubenon, Wis. (Sarah Kloepping/The Post-Crescent via AP)

Law enforcement blocks the road in front of the Oneida Bingo and Casino in Green Bay, Wis on Saturday May 1, 2021 after reports of an active shooter. A spokesperson for a Wisconsin casino says an undetermined number of people have been shot at the casino. The Oneida Casino in Green Bay tweeted Saturday there was an active shooter at the casino. (AP Photo/Mike Roemer)

Lt. Kevin Pawlak of Brown County Sheriff's Office answers questions from the media about the shooting at Duck Creek Restaurant inside the Oneida Casino/Radisson Hotel & Conference Center on May 1, 2021, in Ashwaubenon, Wis. (Sarah Kloepping/The Post-Crescent via AP)