The Bat - Vincent Price

1959 mystery thriller directed by Crane Wilbur and starring Vincent Price, Agnes Moorehead and Darla Hood. It is the fourth film adaptation of the story, which began as a 1908 novel The Circular Staircase by Mary Roberts Rinehart, which she later adapted (with Avery Hopwood) into the 1920 play The Bat. The first film version of the play was the 1926 silent film The Bat. This version was adapted by playwright Crane Wilbur, who also directed.

Author Cornelia Van Gorder rents The Oaks, a summer home in a small town, from local bank president John Fleming. While on a hunting trip with his physician, Dr. Malcolm Wells, Fleming confesses to stealing over $1 million in negotiable securities from the bank. He offers to split the dough with Wells in return for help faking his own death and threatens to kill him if he does not comply. Fine doctor that he is, Wells shoots Fleming so he can grab all the loot for himself, then covers up the murder.
Meanwhile, the town is being terrorized by a mysterious murderer )weirdo) known as "the Bat", said to be a man with no face who murders women at night by ripping out their throats with steel claws.