Next STEP senior Arbai Abdirahman speaks Friday during an observance in memory of Mohamed Aden in front of the school in Lewiston. Abdirahman was a classmate of Aden at Next STEP.

Memory ribbons are tied to a string Friday during an observance in memory of Mohamed Aden in front of the Next STEP school in Lewiston. Abdirahman was a student at the school.

Ribbons in memory of Mohamed Aden hang outside Next STEP school Friday in Lewiston.

Hannah Thompson remembers Mohamed Aden on Friday during an observance in memory of her friend in Lewiston.

Next STEP Program Administrator Philip Johnston speaks Friday during an observance in memory of Mohamed Aden in front of the school in Lewiston. Aden was a student at Next STEP.

Next STEP high school teacher Fahim Khan speaks Friday during an observance in memory of Mohamed Aden in front of the school in Lewiston. Aden was a student at Next STEP.

Friends remember Mohamed Aden during a moment of silence in front of the Next STEP school in Lewiston. Abdirahman was a student at the school.