In May 2012 , Whanganui man Michael Umanui Werahiko , 31 , was arrested .
In May 2012 , Whanganui man Michael Umanui Werahiko , 31 , was charged with Mr Round 's murder .
In May 2012 , Whanganui man Michael Umanui Werahiko , 31 , was arrested and charged with Mr Round 's murder .