Police say the US Marshals Service has now joined the search for a Reading man accused of brutally attacking his ex-girlfriend in front of her children.

They say Bladimir Delvalle slashed the woman several times in the face in the 1300 block of Perkiomen Avenue on September 2nd.

She also suffered a puncture would to the back and other injuries.

Police say they believe Delvalle may have left the state and could be in Puerto Rico.