Micaiah Williams was 4 months old when police said he suffered four ... So, like, those are the happy memories that I have, and his little cooing and tummy time that we have.

AND HIS LITTLE COOING AND TUMMY TIME THAT WE HAD ... FOR NO The father accused of killing his 4-month-old son in Bloomfield is now in Allegheny County Jail facing new charges.

Your baby will go through several language milestones in their first 12 months of life. This can include cooing, laughing ... at around 2 months of age. By 4 months, he will probably laugh.