Police say an armed robbery suspect who threatened to inject a clerk with AIDS in East Walpole, Massachusetts, has been arrested.

Walpole Police Chief John Carmichael tweeted that Christopher Soda was arrested.

He is accused of robbing East Walpole Package Store Sunday afternoon.

According to Carmichael, Soda showed a blunt object and threatened to transmit the deadly illness affecting the immune system.

Soda will be arraigned in court Wednesday morning.