article_snippet: Police believe the footage - recorded just one hour before Miss Lawrence spoke with Miss Lawrence parents for the last time - could 'hold the key' to unlocking the six-year-old mystery.
article_snippet: the area near the alleyway was searched by police last month and is said to be of 'growing significance' to the investigation.
article_snippet: A number of new searches have been carried out since 2013, including a detailed re-examination of Miss Lawrence's house in Heworth, York, and a fingertip search of the alleyway that leads to the back of Miss Lawrence home.
article_snippet: The previously unseen footage shows an area near an alleyway at the rear of Miss Lawrence's terraced house, which was searched by police last month and is said to be of 'growing significance' to the investigation .
article_snippet: Police leafleted the area around Miss LawrenceMiss Lawrence's home earlier this week to encourage residents to attend Heworth Place to watch The previously unseen footage on the sixth anniversary of Miss Lawrence disappearance.
highlights_snippet: Police believe footage could 'hold key' to unlocking six-year-old mystery .
  