India, April 7 -- The flowers were still lying near the porch when investigators arrived. The bouquet placed with apparent deliberation outside the office of Delhi Assembly Speaker Vijender Gupta is what made Monday's security breach at the Delhi Assembly something more unsettling than a traffic accident or an act of impulse. Someone had planned this. Someone had brought flowers.

At around 2 pm, a Tata Sierra bearing a Uttar Pradesh registration plate came fast down the approach to Gate No 2 of the Delhi Assembly. The driver was masked. The car hit the iron barricade, pushed through it, and rolled onto the premises. The gate gave way. The CRPF personnel deployed at the VIP entrance were at a different point. Gate No 2, sources would late...