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91) Looks like the same handprint. Her name was Mary Worthington an unsolved murder in Fort Wayne, Indiana.

92) This ancient mystery has remained unsolved up to the present.

93) Analytic theory is fortunate to have one of the most famous unsolved problems, the Riemann hypothesis.

94) Serial killer Robert Black's fourth murder conviction will prompt further investigations into other unsolved child disappearances, police have said.

95) I've been cross - referencing Rick's travel records against unsolved female homicides and disappearances.

96) Mysteries, unsolved riddles, and topics that people usually avoid or sweep under the rug occupy your thoughts.

97) Modern cosmology does show that there are so many unsolved mysteries to sciences.

98) Over a long period of time a short service life of the reductor on YQ-100 Down-the-Hole drill was unsatisfactory and remained unsolved.

99) The problem of fragmenting Mao Zedong Thought actually remains unsolved.

100) The mysterious phenomenon of energy transformation remains to be an unsolved enigma.

101) The question, that whether the above objects will be achieved by means of enterprise-oriented operating model(sentencedict.com/unsolved.html), emerges constantly and becomes one unsolved important subject.

102) If the problem remains in the public mind a problem of bad people in power, it may well remain unsolved.