NOPD said Rizzuoto's blood-alcohol level was.232 percent, nearly three times the legal limit, when he crashed his truck into the crowd, injuring 28 people and sending 21 of them to the hospital.
Speaking to NOLA.com, the suspect's grandmother, Lorettz Rizzuto said her grandson is a hard-working person who didn't have previous problems with the law or drinking.
In total 32 people were hit, 21 of which were taken to seven area hospitals.
"I think this is what powered the whole event", she said.
New Orleans emergency personnel attend to injured parade watchers after a pickup truck ploughed into a crowd and injured multiple people watching the Krewe of Endymion parade in the Mid-City section of New Orleans on Saturday. But on Sunday, he was only booked on charges related to two of those victims - Michelle Woodfork, a New Orleans police lieutenant who is in stable condition, and 22-year-old Shaunice Williams, who remains in critical condition with a lacerated liver.
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A report via the New Orleans Advocate told of Rizzuto initially weaving through the crowd, before accelerating through the masses sending 'bodies flying off the hood' off his Chevrolet.
Police said 10 ambulances took those who were injured to seven different hospitals. "At least 3 remained hospitalized overnight with moderate to serious injuries". While he didn't say "No" he did say it looks like a case of DWI.
Shane Welch was at the parade with his mother when he said the truck came barreling down North Carrollton Avenue. The crowd's attention turned to the driver, with revelers pleading for the driver to stop.
The pedestrian was helped up by some friends, who led him away from the thick of the parade, she said, and that's the last she saw of him. Several people were pinned underneath the dump truck in the aftermath of the crash. They said he also failed a field sobriety test.
Monday night, the NOPD could not confirm whether police had spoken with the family - or whether investigators were already looking into what the Shields have described as the initial crash. "That number could increase as the investigation is ongoing".