'Warped' hoaxer, 64, who waged six-week campaign of terror with string of bogus ISIS chemical attacks against schools, shopping centres and businesses faces lengthy jail term

EXCLUSIVE: Gary Preston, 64, sent letters containing a white powder to 21 locations including school, causing panic and evacuations.

Related Keywords

Essex ,United Kingdom ,Chelmsford ,Braintree ,Haverhill ,Suffolk ,Rainham ,Medway ,London ,City Of ,Gary Preston ,Hannah Wilkinson ,Maryam Syed ,Specsavers ,Vision Express ,Woolwich Crown Court ,Premier Inn ,White City ,Counter Terrorism Intelligence Unit ,