Devices discovered by police Feb. 2.

Arlington police investigating an alleged incident of drunken driving discovered in the suspect's vehicle six 30-round ammunition magazines for machine guns and one 9mm, 15-round magazine labeled "law enforcement and government use only."

The suspect, Kyle Laidman, 28, of Boston, was allegedly operating a car early on Saturday, Feb. 2, when he drove into a telephone pole on Summer Street cutting the pole in half.

Arlington police responded. Based on their investigation, Officers believe the operator was impaired by consumption of alcohol and that he was texting while driving when the crash occurred. Laidman was transported to Mount Auburn Hospital with serious injuries. 

Officers also seized the large-capacity devices from the suspect’s vehicle. The suspect is not licensed to carry firearms, and the possession of such devices without a license is a felony in Massachusetts.

According to a news release, Arlington police have sought the following criminal complaints against the suspect:

1. Operating a vehicle under the influence of alcohol;

2. Operating so as to Endanger the Public,

3. Texting while driving, and;

4. Possession of large capacity feeding devices without a license.

Boston.com reported Feb. 5 that the criminal complaint will go before a magistrate in the Cambridge District court for a probable-cause hearing sometime in the next month.

"The possession of large-capacity feeding devices without a license is a serious crime," Chief Frederick Ryan of the Arlington police was quoted in the release. "We are investigating to determine the origin of the devices and to determine what, if any, access this person has to the firearms that would accept them."

YourArlington asked for a more specific description of the devices as well as the report about the incident. 

Capt. Richard Flynn responded Feb. 6: "This matter is still under investigation by the APD Criminal Investigation Bureau. The information available at this time was contained in the press release."

This story was published at 2:43 p.m. Tuesday, Feb. 5, 2013, and updated the next day.