Timothy Rempel appeals his 1st-degree murder conviction in Ryan Lane killing

Timothy Rempelfound guilty of murder last month has filed an appeal with Alberta's top court asking his conviction be overturned.

On April 20, ajury convicted Rempel, his wife Sheena Cuthill and his brother Wilhelm Rempel of first-degree murder in the death of Ryan Lane in February 2012.

The brothers were also found guilty of kidnapping.

Timothy Rempel, 31,wrote that the verdict was "unreasonable" and "cannot besupported by the evidence."

"There was a miscarriage of justice," he wrote.

Rempel is currently being housed at the Edmonton Institution, a maximum security facility.

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The trio received an automaticlife sentence with no chance of parole for 25 years.

Court heard evidence that Lane, who was 24, was killed after he was kidnapped by the Rempel brothers from a parking lot in the city's northwest. His body was burned in a barrel at a gravel pit near Beiseker, Alta., 70 kilometres northeast of Calgary.

Lane's remains were discovered in the barrel along with his class ring and pieces of his cellphone four months after he disappeared.

Wilhelm Rempel and Sheena Cuthill have not yet filed appeals.