Durn had also lost a shoe, possibly in the struggle with police.
But the dominant view was that Durn had killed himself.
Durn had a history of mental problems and often spoke about suicide.
Mr Rijik saved himself by diving under a table when Durn opened fire from the public gallery at the end of a meeting.
One of Mr Rijik's colleagues, Catherine Maurel, said victims' families were devastated that Durn would never face them in court.
Durn waited until the rest of the public left, then started shooting.
He was hit at point-blank range as he stood with his back to Durn.
Mrs Durn described her son as a depressed and troubled man who was in and out of psychiatric care for more than a decade.
Mrs Durn added: "When he first went into therapy in 1990, he asked the doctor: 'Help me to die'.
Police who arrested Durn said he did not say anything coherent.
DEATH PLUNGE: Mass murderer Richard Durn
's body lies in a courtyard yesterday at the police headquarters in Paris where he was being questioned; PROBE: Window which Durn
, right, went through is ringed; Picture: REUTERS
She said Durn had talked about wanting to kill "many times .
Durn was armed with two Glock automatic handguns and a .
Durn belonged to a gun club and had licences for his weapons.