ND investigators found several guns, ammunition, explosives in the shooter's vehicle ... Mohamad Barakat fatally shot Fargo police Officer Jake Wallin and wounded two other officers as they responded to a routine traffic crash. Fargo Police Officer Zach Robinson was able to shoot and kill Barakat before what authorities believe could've been a much bigger attack. Investigators found multiple guns, 1,800 rounds of ammo, a homemade grenade, and explosives in Barakat's vehicle. ... an attack authorities say could have been much bigger. ... Mohamad Barakat, shot and killed Fargo Police Officer Jake Wallin and wounded officers Andrew Dotas and Tyler...