Serial Killer in Wichita - BTK - possibly more victims

The following murder victims haven't been attributed to the serial killer BTK of Wichita, Kansas,but they along with other unsolved murders, may possibly do so in the future:

• Sherry Baker , aged 23 - Found: Nov. 12, 1974 - She had been stabbed with a pair of scissors and her hands had been tied with a telephone cord, behind her back.
• Linda Shawn Casey, aged 31 - Found: June 29, 1985 - She had been repeatedly stabbed, bound and sexually assaulted.
• Tina Frederick, aged 22 - Found: Nov. 12, 1999: - She had been shot to death.
• Denise Rathbun, aged 26 - Found: Nov. 26, 1977: She had been missing for two weeks. Her body was later discovered in a creek in Harvey County having been drowned.