The 19-year-old has now been sentenced to life in prison. Scotland Yard and MI5 worked in conjunction on the investigation, which revealed numerous unsuccessful attempts on Ali-Syed's part to find funding for the attack through loans, reports the UK's Independent.

 

Ali-Syed admitted that he'd pursued other methods for carrying out his attack, and he settled on the idea of a nail bomb after failing to come up with other types of ammunition.