Phoenix ? Prosecutors said Tuesday they will seek the death penalty against two men accused of terrorizing the Phoenix area in a series of random shootings.

Samuel John Dieteman, 30, and Dale S. Hausner, 33, are charged with first-degree murder and attempted murder for allegedly killing two people and wounding 14 others in a string of shootings since May. They have pleaded not guilty.

Police also are trying to determine whether they are linked to 21 other shootings that date back to May 2005.

In all, the shootings grouped in the Serial Shooter investigation left seven people dead and 17 wounded.