UPDATE: The Amber Alert has been canceled.
INITIAL STORY: An Amber Alert has been issued tonight for Venjamin Seth Wright, a 6-year-old Marysville boy who was last seen just after noon at 1350 Cedar Avenue.
According to the alert:
Venjamin is autistic, and has the mental capacity of an 18-month-old.
His mother, Shannan Christine Guest, did not allow Child Protective Services into her home when they arrived to do a welfare check on the boy, and she told them she would “flee the area if things did not go her way,” the alert says.
When officials returned with a …