The suspect at times went off on tangents about cigarettes filled with fiberglass and seeing videos about psychotropic drugs.

Nearly a dozen people were injured in the attack before citizens -- including Derrick Perry, who was armed with a gun -- confronted the suspect, authorities said.

P olice have identified the suspect in Saturday's stabbing of 11 people at a Walmart in Michigan as 42-year-old Bradford James Gille. He is in custody in Grand Traverse County Jail and faces 11 counts of assault with intent to murder and one terrorism charge, Grand Traverse Sheriff Mike Shea said during a press conference Sunday.

Shane Gille reveals his family's 28-year struggle with Brad Gille's mental illness before the attack that led to 11 attempted murder charges.

A weekend stabbing spree at a Michigan Walmart initially left 11 injured, including six critically. As of the latest update, 10 people remain hospitalized and are being treated for their injuries, according to officials. The attack began at the Traverse City store around 4:43 p.m. local time on July 26.

Gille is currently being held at the Grand Traverse County Jail and is scheduled to be arraigned on Monday or Tuesday.

Bradford James Gille is 42 years old and a resident of Afton, Michigan. He has a prior criminal history and reportedly self-published a book last year.

Police are trying to determine why a man allegedly traveled downstate to Traverse City and stabbed 11 people inside a Walmart.