Literal Meaning
'News finds me at my home' - is what an old person often says.
Implied Meaning
The information (news) is being delivered 'as is'. In the case of old people, given their limited mobility, they just wait for the news to reach them
Origin
If a person says 'Binsanga Wano' - when giving information or telling a story - it means that he is trying to protect himself from potential inaccuracies that may exist in his version of the story. It could also mean that he does not know the source of the information or just wants to keep in anonymous