It is my understanding that Gregory McMichaels is the neighbor who called the police on the phone, so if this is in fact true, then yes, McMichaels saw him enter that house.
‘It is my understanding that Gregory McMichaels is the neighbor who called the police’
the article explicitly states that your understanding is not correct...
According to the article, there were two different calls. It was the other call, not McMichaels’, that said they saw him entering the house.