Police found a common denominator in two seperate robberies which took place inside of a month.

According to NECN, police in Massachusetts arrested a man in connection with two robberies of the same bank in the last two months.

43 year old William R. Baro of Billerica, Massachusetts is accused of robbing the Winchester Savings Bank on Medford Street in Arlington, Mass on two occasions, according to NECN. The first on August 14th, and less than a month later on September 11th.

Police have said an extensive investigation was conducted. According to NECN, it included witness interviews and tips, Baro was arrested on Wednesday without incident at his home in Billerica, police said. Baro, who was already on the radar of police, was brought to the Arlington Police Department and held overnight on $100,040 cash bail prior to his arraignment Thursday.

However, additional charges may be coming, according to police, as the investigation is active and ongoing.