A Florida man charged with murder in the fatal shooting of a teenager amid an argument over loud music at a gas station pleaded not guilty Monday . Michael Dunn entered his plea during a hearing Monday at the Duval County , Florida , jail . He is charged with murder in connection to an incident that occurred on Feb. 26 when he shot and killed 17-year-old Jordan Davis outside of a Walmart store near Jacksonville's Town Center Mall. ` ` There are no comparisons to the Trayvon Martin situation , '' Dunn 's lawyer says . Dunn said he felt threatened by the teens , but no guns were found inside their car .
Michael Dunn entered his plea during a hearing Monday at the Duval County , Florida , jail . He is charged with murder in connection to an incident that occurred on Feb. 26 when he shot and killed 17-year-old Jordan Davis outside of a Walmart store near Jacksonville's Town Center Mall. `` There are no comparisons to the Trayvon Martin situation , '' Dunn 's lawyer says . Dunn said he felt threatened by the teens , but no guns were found inside their car .