(NECN: Kathryn Sotnik, Lunenburg, Mass.) - The Lunenburg Police Department has served a search warrant at the home where racist graffiti was found.
Andrea Brazier, who's white, and Anthony Phillips, who's African-American, say the graffiti was targeted towards their football player son, 13 year old Isaac Phillips.
Police could be seen showing the parents a piece of paper before entering the home.
Other investigators could be seen putting on plastic gloves before entering the house.
After about 90 minutes they left with a single brown bag.
Police have said the parents aren't cooperating with the investigation.
The normally "camera-friendly" Anthony Phillips was also not so friendly when he walked down his driveway.
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A no-trespassing sign now sits on the property.
Isaac's grandfather, James Phillips, also came down from the house and said, "I'm terrified, I want to talk to my son, and I just saw him take off."
While James Phillips says his son isn't talking, he just came to the house looking for answers.
Phillips said, "If they did that or she did that, I can't believe it, it's going to be hard."
Police won't comment on what happened inside the house, but will say they're confident an arrest will be made soon.
The graffiti on the home's foundation - "Knights don't need (expletive)" - has divided the town.
Following the discovery by Isaac's mom last month, the town cancelled all future football games and held a vigil for Isaac at the high school.
In a separate incident, Worcester school officials confirm a racial incident happened in a game between the two teams, which ended abruptly. Worcester filed a complaint.
Monday, Lunenburg Police cleared the football team of any wrong doing in the graffiti case.
Football players who came to the scene Tuesday say it's too late to get the rest of their season back, and think school officials rushed to judgment.
Football captain Danny Szabady said, "I feel like we were cheated, but hopefully they can figure this out, and we can get all of this sorted out and we can go back to living a normal life here in Lunenburg."
"I think it was handled very poorly from the superintendent to the school board to the athletic director," said his father Les Szabady.
The FBI has also assisted in the investigation.
Isaac Phillips now attends school in nearby Leominster.
