Found-footage 'Phoenix Forgotten' starts strong, but lacks a worthy payoff

"PHOENIX FORGOTTEN" — 2 stars — Florence Hartigan, Luke Spencer Roberts, Chelsea Lopez, Justin Matthews; PG-13 (terror, peril and some language); in general release“Phoenix Forgotten” is a found-footage story-within-a-story about a young woman investigating the mysterious 20-year-old disappearance of her older brother.Like her missing brother Josh (Luke Spencer Roberts), Sophie (Florence Hartigan) is an aspiring filmmaker, and has decided to make a documentary out of her