The porcelain angels and the bracelet found floating in a canvas bag with the body of a newborn girl were so unusual and unique, that law enforcement officials thought they would surely lead to the identity of the girl's parents. But nearly a year later, the death of the infant girl remains a mystery.

The death in September 2011 motivated lawmakers to intensify Minnesota's Safe Haven law, hopefully giving distraught mothers more options to legally abandon their babies in safe places rather than harming them or leaving them to die. A Star Tribune story notes that the expanded law takes effect today.

The cause of the girl's death remains undetermined, and police aren't certain whether the girl was alive or dead before she was wrapped in a green T-shirt and two plastic bags, placed in a canvas bag, and sent afloat on the Mississippi River near Winona. Boaters discovered her, police believe, a short time after the bag was placed in the river. Drew Evans, a senior special agent with the Minnesota Bureau of Criminal Apprehension, remains certain that the items found in the bag with her could solve the case if the right people observed them.

Just in case, take a look at these images from the BCA's Facebook page of the bag and the items placed with the baby. Anonymous tips on this case can be left with the Winona County Sheriff's Department at 507-457-6530.

The above bracelet resembles those commonly sold as spiritual jewelry to ward off evil spirits.