Communique 4 was sent on the night of January 12th 1971. The Carr family, spending a typical evening at home, were shaken by the blast of the first bomb. Mr Carr, after crawling on the floor to the disconnected telephone, takes his wife and daughter to a neighbour's house. Showing his usual concern for workers' welfare, he instructs the nanny/housekeeper to go back into the house alone. Then a second bomb explodes, not hurting the housekeeper, but knocking three police officers to the ground.