The killing of Trayvon Martin by George Zimmerman — the case where nothing makes sense, nothing — gained greater clarity in the last couple days. The story put forth by the Sanford Police Department (SPD) and by Zimmerman “friend” Joe Oliver is starting to crumble.

The SPD video ABC News aired last night raised serious doubts about Zimmerman’s account of a life-and-death struggle. Then, Richard Kurtz, the funeral director of the mortuary that received Trayvon’s body, stepped forward last night on MSNBC’s “The Last Word” to knock another huge hole in Zimmerman’s story. The unarmed 17-year-old showed no signs of struggle.

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According to Zimmerman, Trayvon clocked him in the face and felled him with one punch. Trayvon then jumped on top of him and then repeatedly banged Zimmerman’s head on the sidewalk. That’s what the police told Tracy Martin, Trayvon’s father. But when O’Donnell asked Kurtz if Trayvon’s body showed any signs that would support that version of events, Kurtz said, “I didn’t see anything to support that story.”

We asked Martin and Sybrina Fulton, Trayvon’s mother, if they had a chance to see their son’s body before the burial. “We didn’t see the body until it got back to Fort Lauderdale and he was cleaned up and dressed up for the funeral,” Martin said. Given what Kurtz said last night, Trayvon didn’t require much preparation.

More on George Zimmerman’s crumbling story

Part 1: Video evidence doesn’t back Zimmerman

Part 3: Detective didn’t believe Zimmerman