NEW YORK(CBSNewYork) — A Manhattan man has been arrested in connection with a series of hate crimes. The NYPD Hate Crime Task Force has been investigating a number of hate crimes in the city since early December, including a number of anti-Semitic phone calls as well as anti-Semitic graffiti and vandalism.

David Haddad, 56, was arrested in Manhattan, Haddad has been charged with aggravated harassment as a hate crime.

Sources told 1010 WINS reporter Gary Baumgarten that Haddad is himself Jewish.

Two of Haddad’s suspected crimes occurred in Manhattan, where he allegedly made an anti-Semitic phone call to an 87-year-old woman and vandalized the inside of an apartment building.

Haddad’s other two suspected crimes occurred in Sheepshead Bay, Brooklyn where he allegedly made anti-Semitic phone calls to two elderly women.

Haddad is also being questioned in connection to a series of threatening phone calls and acts of vandalism in the Midwood section of Brooklyn over the weekend.

Police believe that Haddad may be a relative of one of the victims of this weekends incidents.