(KCEN) -- Authorities are investigating a series of tweets threatening Ted Cruz.

The tweets came from a person who blames Cruz for the recent partial government shutdown.

U.S. Capitol Police are checking into a series of tweets that appear to have begun on Oct. 14.

The person who tweeted the threats even sent out a specific address in Houston that belongs to the senator.

The senator's staff released a statement saying they're aware of the threats and have been in contact with authorities.