A year after implementing facial recognition technology, the Lincoln Police Department (LPD) in Nebraska hasn’t found it to be helpful in catching criminals.

The Daily Nebraskan reports that per an agreement with the state, the LPD cannot make arrests solely based on facial recognition, but they can use the software to assist in criminal investigation and prosecution.

When the LPD uses the technology, it taps into the state’s database of driver’s license, state ID and mug shot photos. To make a match, it requires a frontal shot of a suspect, which the LPD has discovered is difficult to obtain using surveillance camera footage.

While the LPD can use the system to assist them in cases, it hasn’t been the solution the department was hoping it would be.

Read more here.