Entirely depends on the definition of HARD EVIDENCE

If they mean they dont have concrete evidence that would survive the worlds best lawyers hammering it

OR

if it menas there is enough evidence to have the fucker hung drawn and quartered but it's obvious that a top lawyer would wriggle about a stupid technicality

I love the way some internet nerd from Amersham feels he is the nerve centre for all 9/11 information and by reading second and third hand quotes will bring down the US Government