hereMI5 believed the actions it took were 'reasonable and understandable when judged in the light of the further information available at the time'.On 3 March 2017 Salman Abedi hit a 'priority indicator' which, although not indicating any attack, meant he met the threshold for further investigation.Further checks were established which concluded Abedi was 'probably in Libya'.On May 8 it was decided he should be referred for a 'low-level investigation' to establish whether Abedi had 're-engaged in Islamist extremist activity'.A meeting to consider that was scheduled for May 31, nine days after the bombing.The fact the system had identified him as someone who deserved further investigation showed it was working, said the QC.But the inquiry.
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