Some of the bloody sneaker prints found at Lululemon Athletica after an employee was slain appeared to have been staged, while others were in a confused pattern, a forensic expert testified Tuesday.

David McGill, a shoe print expert, told jurors in Brittany Norwood’s murder trial that he found bloody prints from size-7 1/2 New Balance sneakers and size-14 Reeboks. Each time the prints overlapped, he said, the Reebok impression was on top.

Montgomery County prosecutors allege that Norwood killed her co-worker, Jayna Murray, the night of March 11 and then tried to cover-up the scene. They contend she used the large Reebok sneakers as part of that cover-up, an effort to bolster her false story that two masked men had attacked her and Murray.

At one point the New Balance sneakers, which Norwood was wearing, tracked into a back area of the store. “They went in, but they never came out,” McGill said.

The Reebok sneakers were found inside the store, authorities have said.

McGill’s testimony came on the fifth day of Norwood’s first-degree murder trial in Montgomery County Circuit Court.

Norwood’s attorneys acknowledge their client killed Murray, but say it didn’t amount to premeditated murder. Instead, they say, the two got into a fight and Norwood snapped because she was not thinking clearly.

Later Tuesday, Detective Jim Drewry took the stand. A judge also agreed to allow Murray’s mother, Phyllis Murray, to testify for limited purposes that include identifying her daughter’s cell phone.


Photos: The trial of Brittany Norwood

Infographic: What authorities say happened at Lululemon

Jurors hear Lululemon worker describe fake attack

Defense: Norwood 'lost control'