These are screen shots of security video that show the suspect believed to be involved in several recent cases of graffiti.

Lawrence police are asking for the public’s help in identifying a white male who has committed several acts of graffiti on property near streets and intersections since September. Police said the suspect has “tagged” several traffic control boxes and retaining walls with the word “AJAX” in black spray paint.

Police are asking anyone with information to call the department at 785-832-7509 or Douglas County Crime Stoppers at 785-843-TIPS (8477).