Mr doughlas death is a murder or a suicide

It is a murder as there were some evidences found that there was someone there.

Mr Douglas case was not a murder not even a death.

At the end the valley of fear says that Baldwin was after him due to which Mr Douglas escaped for some days and leaves a dead body behind so that Baldwin thinks that Mr Douglas had been murdered.

it is a murder because jhon douglas (mc murdo) was nin danger proved by the almanac and was killed while going to englang by professor moriarty