Their lawyer told the High Court "time had run out" for the terminally-ill baby.
Police say the findings "corroborate" the theory Ben died in an accident involving heavy machinery.
Anthony Collins told the star he was lonely, his friends were dead, and he suffered from bipolar disorder.
The transformation of women's cricket
Battle of Britain pilot remembered
Showcasing the best images sent to us from around England
The under 45s setting course for cruise adventures
'There was somebody coming up the road in a canoe'
A crash victim on how his brain injury led to a police cell
England's World Cup victory can be a "springboard" for women's cricket around the world, according to captain Heather Knight.
The girl who writes to strangers