The Sentinel-Standard of Ionia and WOOD-TV reported Keith Thibeault, 27, was arrested Tuesday on the charges by police in Portland, about 20 miles west of Lansing. He was arraigned Wednesday in Ionia District Court and ordered held without bond.
Authorities said the arrest comes after Everette Thibeault was brought to Sparrow Hospital in Lansing with injuries consistent with physical abuse. The child was 3 months old at the time and later died.
The surviving twin had a broken leg and was removed from his parents' custody.