The Blue Alert rattled devices just before 5 a.m. on Oct. 4 in an effort to find and arrest Seth Altman, 33, who is the subject of a manhunt over the shooting of Memphis Police Chief Rex Plant in the Texas Panhandle. Texas Department of Public Safety

The governor is offering a $10,000 reward for info on Seth Altman, now a Texas top 10 fugitive, who is accused of shooting the Memphis police chief.

According to the Texas Department of Public Safety, the alert was issued for Seth Altman, 33, of Memphis, for "the killing or serious injury of an officer" in Hall County, which sits in the panhandle, just southeast of Amarillo.

Texas authorities issued a Blue Alert for a man suspected of violence against a law enforcement officer in Hall County, southeast of Amarillo.

The FCC says it received thousands of complaints about last Friday's Blue Alert that woke Texans up across the state just before 5 a.m.

By Tuesday, the commission received approximately 4,600 consumer complaints about the alert, Will Wiquist, a commission spokesperson said.