Police have released CCTV footage of people who were in the area on the night that Samuel died.
They are still trying to identify around 32 people who can be seen in the footage - which was taken in and around the shops outside Penge East Station between 21:40 and 22:00 on Saturday 12 February 2011.
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A 15-year-old school boy has been stabbed 'five or six times' on his first day back at school in north London after the summer holidays.
Today's showers should clear overnight - and tomorrow will be more settled, but temperatures still feeling cool.
The pair have been poring over old maps and records in their bid to convince the council the warehouse should not be converted into flats.