Authorities say they arrested an 18-year-old who was planning a shooting attack at the Mall of AmericaFBI officials stopped a potential terrorist attack on the Mall of America in Bloomington, Minnesota, authorities announced Wednesday. An 18-year-old was arrested on one count of obtaining a firearm to carry out an act of terrorism.Sheikhdoon Abdullahi Mohamud had been investigated over the last nearly two years by the FBI. He was arrested Tuesday in a public park after he paid $600 to an undercover FBI employee posing as a member of the Islamic State for an AK-47 and 200 rounds of ammunition, according to the criminal complaint. Continue reading...