a 37-year-old man was in custody tuesday following the deaths of his wife and their two children at their home in suburban detroit , police said .
the bodies of a 2-year-old girl and an 8-year-old boy were discovered by police monday night , eastpointe police lt. neil childs said , and investigators were trying to determine the circumstances surrounding the deaths .
` we had no prior runs out there for domestic violence or anything of that nature , ' childs said .
the man was held for questioning and the causes of the deaths have n't been released .