The Marysville Police Department continues investigation into an incident that involved a man offering candy to students Tuesday morning.  The suspect is described as a white male between the ages of 30 and 40 years old driving a white Ford F150 pickup.  The man is alleged to have entered the bus loop behind the last morning drop-off bus and offered candy to several students at Marysville Middle School.  The man was reported to have been wearing a red baseball cap, black, V-neck T-shirt and dark sunglasses. The truck has a large, silver toolbox in the bed and is believed to be a 2000-2006 model.   Police say all buildings in the district were informed of the incident and used extra precautionary measures yesterday.   Anyone with information regarding the incident can call the Marysville Police Department at (810) 364-6300.