The investigating agencies probing the suspected “lone wolf attack” case in the April 27 Mira Road incident, where  31-year-old Zaib Zubair Ansari allegedly attacked two security guards with a knife, were told by Ansari that he believed he would be killed after attacking victims and hence left behind a note claiming allegiance to ISIS, mentioning “lone wolf would attack you all”. The note written in pencil was kept near his laptop on a table. However, Ansari’s lawyer said it was “planted” as the house was left open and not sealed even after he was taken into custody. Police also found the shop in a Mira Road mall from where he purchases the nearly nine-inch knife used for the crime. The agencies have been looking at it a case of self-radicalisation and are suspecting external involvement as Ansari had formatted his two phones to wipe out any links.…