A report leaked today reports the police officer watching the flat was releaving himself when DeMenezes left the block of flats, and said he couldn't identify the suspect another plain clothes officer followed DeMenezes untill he got on the bus but he couldn't confirm or deny the idenity of the suspect.
More here
http://www.channel4.com/news/content...jsp?id=1677571
Some one needs to be held to account for this cover-up