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Associated Press
Women mourn as they sit at a bus stop where a grenade-lobbing gunman killed three people and injured 123, in the city center of Liege, Belgium, Wednesday, Dec. 14, 2011.

LIEGE, Belgium — A card at a memorial to the victims asked the question haunting all of Belgium: "Why?"

Why did Nordine Amrani, a 33-year-old with a history of lawbreaking, sweep into this city's holiday shopping center to unleash a grenade-and-gun rampage that killed three people and wounded 123 others? Why did he then kill himself?

Deepening the mystery, police announced Wednesday that another body had been found, that of a 45-year-old woman, in a shed where Amrani grew cannabis close to his home.

Liege Prosecutor Daniele Reynders said, after searches of Amrani's house, terrorism could be excluded.

"It was a cleaning lady. This is how she met him yesterday morning," she said. "She dies, shot with a bullet in the head."

The Ferris Wheel at Liege's Christmas market started turning again Wednesday, hoping to restore some festive cheer, but the mood remained black as the coal that once drove this rustbelt city in eastern Belgium.

"The crowds won't show up," said Francoise Robert, a vendor. "People are scared."

At the outdoor bus depot that Amrani attacked, a long parade of people bundled against the wind and rain paid tribute to the victims. Young women cried and families lit candles as shards of unswept glass still littered the pavement.

"Warum (why)?" asked one card, surrounded by toys, flowers and candles. The victims included a 11/2-year-old toddler and two teenage boys, both students. Five others are reported in critical condition.

Adelie Miguel, a 48-year-old resident of Spanish descent, placed a bouquet of white tulips against the shattered bus stop.

"We are all Liegeois, united in suffering," she said. "This was an act of a sick man."