"We've looked at the whole information picture but of course lots of other bits of information as well, and concluded...
Three South Sudanese nationals survived, including a child.
"At least 100 bodies and the rest are still inside," an officer said
"This kind of closed, unjust, and totally inefficient investigation is really hard ... to understand."
Hundreds of locals and rescuers took the remains of 17 people through jungle and over mountains
Indonesia's government has struggled to hire and train staff quickly enough to oversee its fast-growing aviation market
Indonesia has a patchy aviation safety record and has seen two major plane crashes in the past year
The ATR 42-300 that went missing made its first flight 27 years ago.