Montgomery County police have arrested a man in a series of tire slashings that allegedly targeted Hispanics in Wheaton over the past four years.

Steven R. Armstrong, 52, of the 11000 block of Burnley Terrace in Silver Spring, was arrested Wednesday night. Police say 21 mostly Hispanic victims had their tires slashed between March 2006 and August 2010. One man’s vehicle was allegedly vandalized 20 times.