LAKEWOOD, Wash. -- Lakewood police identified a "potential witness" in the case of Adre'anna Jackson, the 10-year-old girl whose body was found last week.

At a news conference Monday morning, police said Spencer Douglas Grant, a 44-year-old transient, is not considered a suspect in the case, but may have seen something related to Adre'anna's death.

Grant was described as 5 feet 10 inches tall, 165 pounds with black hair and brown eyes. He is known to frequent the vacant lot where Adre'anna's remains were found, police said.

Police Chief Larry Saunders also announced that the FBI has added $50,000 to a reward fund, making a total of $60,000 offered for information about her death.

People with information can contact Lakewood police or CrimeStoppers at 253-591-5959.

Free crisis counseling for students and families of Tillicum Elementary is available through Greater Lakes Mental Health Care 253-581-7020.