You've got a grinder in your garage

 He pushed my picture back to me and said, 'Nope, I am not gonna do it,'" Robinson said. "He said, 'You've got a grinder in your garage and you've forgotten more than I have ever known about knives. You go to your shop and you start playing with it.'"Cathy Batton, a spokeswoman for Baltimore County Police, said Tuesday that a volunteer at the school informed the principal Thursday afternoon that she was approached by a student who said a classmate had a knife.According to Batton, He wanted to cut her face the principal, Jane Martin, told responding officers "that the suspect had showed the knife and threatened two other students because they were being too loud in class."In a letter sent home to parents Monday, Martin said the school received information that "a student was in possession of a weapon.""Working with Baltimore County Police, we located the student and took custody of the knife in the student's possession," Martin wrote. "Possession of such a knife is a serious offense and the school has taken appropriate disciplinary action.

 "Batton said that because school was already out of session when the incident was reported, officers had to go to the students' homes to investigate.The student will not be charged because "Maryland law requires someone to be at least seven years old before they can be criminally responsible for their actions," Batton said.Baltimore County Public Schools could not provide additional information or comment on the situation Monday.In the letter to parents, Martin stressed the community's role in keeping the school and its children safe."As with this case, it is important for all of us-students and parents alike-to inform school staff or police any time you or your child sees, hears, or reads anything that is suspicious or that may pose a threat to the school or its students," Martin wrote. It has also emerged that gardai have spoken to a woman described as a "person of interest" in the murder probe.Patrick Redmond was found stabbed in an apartment at Mount Kennett Place on Dock Road, Limerick city, in the early hours of Sunday morning.