MIRAMAR, Fla. – The FBI has released new pieces of information in the case of missing mom Leila Cavett and it has to do with the white truck that was found in Hollywood and surveillance of her seen at a gas station not too far away in a different car, News 6 partner WPLG-TV reported.At the headquarters in Miramar, the FBI on Thursday showed images from surveillance video of the last few times Cavett was seen, which was three weeks ago.Detectives confirmed that the 21-year-old mother and her 2-year-old son were alone when they drove from Georgia in a white pickup truck south to Florida on July 24 and 25.“She arrived on July 25 and it appears she went missing on July 26, so its during that time that’s really critical for us,” said Georg Piro,.