Upon his release in December of 1916 he returned to his home in Co. Offaly where he rejoined the Irish Volunteers.  He was appointed 2nd in command of the Birr Battalion; a position he held until his arrest in July of 1918 on suspicion of been involved in the so-called German Plot. He was interned in Maryborough Prison (now Portlaoise Prison), before been transferred to Burnham Jail in Somerset , England.  He was released in May1919 and  immediately deported to Argentina.