Other outcomes were considered:
"Police have prepared a 30-page document of alternative theories relating to the disappearance of an RAF airman, a pre-inquest review hearing was told.
Peter Taheri, counsel to the inquest, told a hearing in Ipswich that Ch Supt Marina Ericson had prepared a "statement on alternative hypotheses".
The witness statement was put together to show what police had considered, and he was awaiting confirmation that it was "ready for onward disclosure" with those involved in the inquest, he added."
Corrie Mckeague: Alternative theories in missing RAF airman case