Building a Strong Defense: Strategies for Challenging Heroin Possession Evidence

Heroin possession charges carry serious consequences, often resulting in long-lasting effects on a person’s life, family, and future. Texas law views drug offenses severely, particularly with drugs like heroin due to the associated risks and addiction rates. When someone is accused of heroin possession, the prosecution needs to present solid evidence to prove guilt. However, not all evidence is perfect, and there are various ways to challenge what the state uses to build a case. Building a strong defense requires understanding both the charges and how the evidence is handled in court.

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To convict someone for heroin possession, the state must show that the person knowingly had the drug and intended to possess it. Evidence often includes physical proof, like the drug itself, as well as other factors like statements, witness accounts, or behaviors that suggest ownership or control. Yet, each of these pieces of evidence can have flaws. By working with a legal defense team, one can explore options to question the validity of the state’s claims. Whether the evidence was collected unlawfully or it lacks clear connections, various defense strategies can help a person fight heroin possession charges effectively. At, Deandra Grant Law, we are here to guide you through the legal process and help you navigate the complexities of your case.

Examining the Legality of Searches and Seizures

One of the first areas a defense team will likely investigate is how the evidence was collected. In drug cases, law enforcement officers must follow specific rules when searching someone’s property or belongings. The Fourth Amendment of the U.S. Constitution protects citizens from unreasonable searches and seizures, meaning that police need a valid reason, such as a warrant or probable cause, to search someone’s home, vehicle, or even their person. If law enforcement conducts a search without a warrant or fails to follow the proper procedures, the evidence they collect may be considered “inadmissible” in court, which means it cannot be used against the accused.

A defense strategy may include questioning the police’s actions leading up to the search. For example, if an officer stopped a person without reasonable suspicion, then any evidence found during that stop may be challenged in court. Police officers must have clear reasons, such as witnessing illegal activity or receiving reliable information about a crime, to stop someone and conduct a search. If they lack this justification, the evidence may be dismissed. This approach requires a careful review of police reports, witness statements, and any video footage, if available, to understand whether officers overstepped their boundaries during the search and seizure process.

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Texas Attorney Kevin Sheneberger

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Criminal Division Associate

Questioning Chain of Custody Procedures

In drug possession cases, the state must prove that the evidence presented in court is the same as what was seized from the accused. This is done through a process known as the “chain of custody,” which is a detailed record of who handled the evidence from the time it was collected until it appears in the courtroom. Any break in this chain, such as evidence being left unattended or incorrectly documented, can raise questions about its authenticity. If the defense can show that the evidence may have been tampered with or mishandled, it could lead to doubts about its reliability.

The chain of custody requires careful documentation, so any mistakes or gaps could weaken the state’s case. Defense attorneys often request detailed records of how evidence was stored, transported, and presented. For instance, if the heroin in question was left in an unsealed container, or if it went unaccounted for during transport, these are points the defense can argue. By exposing these errors, the defense may be able to convince the court that the evidence is too unreliable to be used, ultimately strengthening the accused’s position.

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Disputing the Reliability of Field Tests and Laboratory Analysis

Another common strategy is to challenge the tests used to identify the substance as heroin. In many cases, police use field tests to get quick results. However, these tests are not always reliable and can sometimes yield false positives, meaning they can wrongly indicate a drug’s presence. Simple errors in handling or interpreting these tests may cause inaccuracies, so they are not considered foolproof. A defense team might investigate the type of test used, the officer’s training, and whether the test was administered correctly.

Lab tests conducted later are usually more accurate than field tests, but they are not immune to error. Lab technicians must follow strict protocols, and any mishandling of samples or faulty equipment could produce inaccurate results. The defense may look into the credentials of the lab personnel, the condition of the lab, and the equipment used. If any of these factors show signs of negligence or error, the defense might argue that the results cannot be trusted. Questioning the reliability of drug tests can create doubt in the prosecution’s case, as accurate identification is a crucial part of proving possession.

Arguing Lack of Possession or Knowledge

For a heroin possession charge to stand, the state must prove that the accused knowingly had the drug in their possession. Sometimes, the defense can argue that the person did not actually possess or know about the heroin. For example, if drugs are found in a shared vehicle or residence, it may not be clear who owns them. In these situations, the defense might assert that the accused had no knowledge of the drug’s presence. Without clear proof of knowledge or control, the prosecution’s case becomes harder to uphold.

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This argument can be especially useful in cases where multiple people had access to the location where the drugs were found. By highlighting the lack of evidence connecting the accused directly to the heroin, the defense can raise reasonable doubt about the charge. When law enforcement cannot demonstrate that the person intentionally possessed the drugs, it weakens their position, giving the defense an advantage. This strategy often requires showing a lack of fingerprints, DNA, or other clear indicators linking the accused to the drugs.

Raising Doubts About Witness Testimony

Witness statements can play a significant role in possession cases, especially if an arrest occurred due to a tip or informant’s information. However, witness reliability can vary, and the defense may seek to question the credibility of any individuals testifying against the accused. For instance, if a witness has a criminal record or potential biases, this can influence their truthfulness. Defense attorneys may look into any motives that could affect a witness’s account, such as personal grudges, attempts to reduce their own charges, or incentives from law enforcement.

If a witness’s statement contains inconsistencies or conflicts with other evidence, the defense might point these out to the court. By casting doubt on witness reliability, the defense can weaken the prosecution’s overall argument. Sometimes, the defense may even uncover new evidence that contradicts a witness’s testimony, further eroding the prosecution’s case. Raising questions about the honesty and reliability of witnesses can be a strong tactic in drug possession cases, as it reduces the certainty of the prosecution’s claims.

Case Results

Not Guilty

.17 Alcohol Level Was Reported

Case Dismissed

Arrested for DWI

Thrown Breath Score Out

.17 Breath Test

Case Dismissed

Assault Causing Bodily Injury of a Family Member

Case Dismissed

Possession of a Controlled Substance, Penalty Group 3, under 28 grams

Trial – Not Guilty

Continuous Sexual Abuse of A Child

Case Dismissed

Driving While Intoxicated With a Blood Alcohol =0.15

Trial – Not Guilty

Violation of Civil Commitment

Dismissed-Motion to Suppress Evidence Granted

Driving While Intoxicated

Dismissed-No Billed by Grand Jury

Assault Causing Bodily Injury of a Family Member with Prior

Case Results

Not Guilty

.17 Alcohol Level Was Reported

Case Dismissed

Arrested for DWI

Thrown Breath Score Out

.17 Breath Test

Case Dismissed

Assault Causing Bodily Injury of a Family Member

Case Dismissed

Possession of a Controlled Substance, Penalty Group 3, under 28 grams

Trial – Not Guilty

Continuous Sexual Abuse of A Child

Case Dismissed

Driving While Intoxicated With a Blood Alcohol =0.15

Trial – Not Guilty

Violation of Civil Commitment

Dismissed-Motion to Suppress Evidence Granted

Driving While Intoxicated

Dismissed-No Billed by Grand Jury

Assault Causing Bodily Injury of a Family Member with Prior

Proving Constitutional Violations and Police Misconduct

In some cases, the defense may claim that police misconduct or constitutional violations occurred, which infringed upon the accused’s rights. This could include instances of excessive force, coercion, or intimidation used by officers during an arrest or questioning. If officers used improper methods to obtain evidence or statements, the defense might argue that these should be excluded from court. Instances where officers failed to follow required procedures or pressured the accused into confessing may be raised as examples of misconduct.

Additionally, the defense may challenge the way officers read or did not read the person’s rights. If the accused was not informed of their right to remain silent or to have an attorney, any statement made during this time could be suppressed. Constitutional rights protect individuals from unfair treatment by law enforcement, so if these rights were violated, the defense might seek to have parts of the evidence dismissed. Proving police misconduct or constitutional violations often requires reviewing footage, reports, and interviews to ensure that the accused’s rights were respected throughout the investigation.

Challenging Probable Cause and Arrest Procedures

Another aspect of a strong defense involves examining the circumstances of the arrest. Law enforcement must have “probable cause” to justify an arrest, meaning they must have reasonable grounds to believe a person committed a crime. If the arrest was based on flimsy or insufficient reasons, the defense might argue that the officers had no valid reason to detain the person. An arrest without proper cause could lead to questions about the entire investigation’s legitimacy, weakening the prosecution’s case.

To challenge probable cause, the defense team may look at the evidence used to justify the arrest. For example, if officers stopped a person solely due to their appearance or location without any actual signs of illegal behavior, this could be grounds for questioning the arrest. By examining the arrest procedures, the defense can uncover potential flaws in how law enforcement approached the situation. Ensuring that arrests are conducted lawfully is crucial, as any missteps by officers may provide grounds for dismissing charges.

Facing heroin possession charges is overwhelming, but remember that there are many ways to challenge the evidence against you. If you or a loved one are dealing with such charges, do not hesitate to seek the assistance of Deandra Grant Law. With our knowledge of the law and dedication to defending your rights, we are here to provide guidance and support every step of the way. Reach out to Deandra Grant Law today for a consultation, and let us help you build a strong defense to protect your future.

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