The shocking news arrives that Morn has been killed in an ion storm. Captain Sisko interrupts the memorial service with surprising news — Morn left Quark his entire estate.

Why did they kill Morn?

Apparently, the writers seriously considered killing off Morn, until someone (Penny Juday) pointed out that it'd be like killing a sports team's mascot. ... The Bajoran sitting in Quark's chair, keeping "it warm for Morn," is none other than Mark Allen Shepherd.

What happened Morn?

It was later determined that Morn had faked his own death, after the statute of limitations ran out against the Lissepian Mother's Day Heist, in order to throw his fellow thieves off his trail.