Once there was a nut tree with similar DNA....

In April 2008, the final piece of the jigsaw fell into place when Reekers was caught stealing a salami from a supermarket in West Auckland. After he was convicted and discharged for theft, police gained an order compelling Reekers to provide a DNA sample, which matched the sample found with Jamieson. Reekers pleaded guilty to murder when he appeared in the high court last month and will be sentenced in April. It was the first time familial DNA had been used to solve a murder in New Zealand,....
.....Bishop said her brother was denying the murder at that point. "I said to him, `were you on drugs and you can't remember?' He didn't answer me – I knew then." She had spent the Christmas before his arrest with her brother, but at no point did he give any indication that he was harbouring a secret or under pressure. "I don't know how he lived with it, keeping it to himself." She said her elderly mother was devastated and had a nervous breakdown. Bishop has also had a breakdown and is on medication. She is having flashbacks to the killing of her husband, Morton Bishop, at their home in One Tree Hill, Auckland, in 1973.
Full article here

I guess sometimes the nuts don't fall far from the tree.

I wonder how many nuts will fall out of other criminal's family trees if they are given a good shake with a DNA sample.