Incorrect:
Astronomy Tower
Great Hall-
Bellatrix Lestrange Strangling
Hagrid's Hut-
Antonin Dolohov Imperio
Rodolphus Lestrange Strangling
Hogsmeade-
Amycus Carrow Imperio
Hospital Wing
Lake-
Lucius Malfoy Opal Necklace
Walden MacNair Strangling
Library-
Rabastan Lestrange Crucio
Rodolphus Lestrange Imperio
Quidditch Pitch-
Amycus Carrow Strangling
Peter Pettigrew Avada Kedavra
Rabastan Lestrange Reducto
Room of Requirement-
Peter Pettigrew Devil's Snare
Rabastan Lestrange House Elf
Trophy Room
Starting Location: Hagrid's Hut
Ending Location: Lake
Person: Augustus Rookwood
Method: House Elf
Starting Location: Lake
Ending Location: Quidditch Pitch
Person: Rodolphus Lestrange
Method: Opal Necklace
Starting Location: Room of Requirement
Ending Location: Room of Requirement
Person: Walden MacNair
Method: Stabbing
Starting Location: Hogsmeade
Ending Location: Hogsmeade
Person: Rodolphus Lestrange
Method: Stabbing
Starting Location: Quidditch Pitch
Ending Location: Quidditch Pitch
Person: Alecto Carrow
Method: Crucio
Starting Location:Library
Ending Location: Library
Person: Walden MacNair
Method: Strangling
Starting Location: Quidditch Pitch
Ending Location: Quidditch Pitch
Person: Peter Pettigrew
Method: House Elf
Incorrect:
Astronomy Tower
Great Hall-
Bellatrix Lestrange Strangling
Hagrid's Hut-
Antonin Dolohov Imperio
Rodolphus Lestrange Strangling
Hogsmeade-
Amycus Carrow Imperio
Rodolphus Lestrange Stabbing
Hospital Wing
Lake-
Lucius Malfoy Opal Necklace
Walden MacNair Strangling
Augustus Rookwood House Elf
Library-
Rabastan Lestrange Crucio
Rodolphus Lestrange Imperio
Walden MacNair Strangling
Quidditch Pitch-
Alecto Carrow Crucio
Amycus Carrow Strangling
Peter Pettigrew Avada Kedavra, House Elf
Rabastan Lestrange Reducto
Rodolphus Lestrange Opal Necklace
Room of Requirement-
Walden MacNair Stabbing
Peter Pettigrew Devil's Snare
Rabastan Lestrange House Elf
Trophy Room
Starting Location: Great Hall
Ending Location: Hospital Wing
Person: Bellatrix Lestrange
Method: Stabbing
Starting Location: Hogsmeade
Ending Location: Hogsmeade
Person: Peter Pettigrew
Method: Devil's Snare
Starting Location: Quidditch Pitch
Ending Location: Hogsmeade
Person: Augustus Rookwood
Method: Stabbing
Starting Location: Lake
Ending Location: Lake
Person: Rabastan Lestrange
Method: Opal Necklace
Starting Location: Hospital Wing
Ending Location: Hospital Wing
Person: Augustus Rockwood
Method: Opal Necklace
Starting Location: Room of Requirement
Ending Location: Room of Requirement
Person: Alecto Carrow
Method: Devil's Snare