21. Ballistics tests linked those guns to the shots that killed Hawkins.22. Ballistics tests determined that Tillery was shot by a fellow officer.23. But officials said Tuesday that ballistics tests used to link the incident were inconclusive. 24. Ballistic tests were incomplete for the third victim, shot four days earlier in Charleston.25. Ballistics tests showed the teacher was killed by Woodard's son.26. Ballistics tests linked the rifle found in the car to nearly all the shootings.27. Additional ballistics tests and incriminating statements by the men's acquaintances have clouded the case. 28. Kanawha County Sheriff David Tucker said Tuesday his department was awaiting ballistics test results. 29. Ballistics tests to determine whether the same gun was used were pending, investigators said.30. The sheriff said ballistics tests showed shell casings found at both murder scenes matched.