Neighbour of Tia Sharp's grandmother Paul Meehan gave a detailed and "vivid" description of what she was wearing, the court heard, which delayed police from interviewing Stuart Hazell earlier.
But police had spoke to Meehan about the case three times before he finally said he saw her.
His explanation is that he "confabulated" seeing her - his brain mistakenly filled in the blanks in good faith.
More top news
The tin needed for a Mary Berry dish and the rules of mouse racing were among questions council call centres dealt with in the past year.
Scientists believe they have invented an ice cream that will melt slower in the sun.
There were shocks, tears and skimpy outfits at the star-studded MTV Video Music Awards in LA.