The reward has been quadrupled for anyone who leads authorities to the suspect in the brutal New Jersey home invasion that left a mother badly beaten in an attack captured by a nanny camera.

Public groups and private individuals are offering $20,000 for information leading to the arrest of the man who was seen punching and kicking the Millburn woman more than a dozen times, throwing her down stairs while her 3-year-old daughter cowered on the couch last Friday.

Essex County Sheriff's Department spokesman Kevin Lynch tells The Star-Ledger of Newark the donors were outraged by the attack.

Police say the woman suffered a concussion, bruises, chipped teeth and cuts around her mouth.

Police say the attacker made off with jewelry,