Pthreeyearold William Tyrrell Was The Child In The Spiderman Suit Who Vanished One Day His Disappearance Sparked One Of The Biggest Manhunts In Recent Memory Uncovered Pedophile Rings Exposed Flaws In The Foster Care System Created The Untimely Demise Of An Australian Senior Homicide Detective And Shed Light On Systematic Problems With Policing In Missing Child Cases It Remains Unsolvedp